empty-base.json

{
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        "pred" : "http://purl.org/dc/elements/1.1/type",
        "val" : "http://purl.obolibrary.org/obo/IAO_8000001"
      }, {
        "pred" : "http://purl.org/dc/terms/description",
        "val" : "An ontology of experimental measurements in the sciences, the purposes for which experimental measurements were made, and experimental treatments, with a focus on life sciences."
      }, {
        "pred" : "http://purl.org/dc/terms/license",
        "val" : "https://creativecommons.org/licenses/by/4.0/"
      }, {
        "pred" : "http://purl.org/dc/terms/title",
        "val" : "Experimental Measurements Purposes and Treatments ontologY"
      }, {
        "pred" : "http://www.w3.org/2000/01/rdf-schema#comment",
        "val" : "EMPTY by NDI is licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). You are free to share (copy and redistribute the material in any medium or format) and adapt (remix, transform, and build upon the material) for any purpose, even commercially. You must give appropriate credit (by using the original ontology IRI for the whole ontology or original term IRIs for individual terms), provide a link to the license, and indicate if any changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use."
      }, {
        "pred" : "http://www.w3.org/2002/07/owl#versionInfo",
        "val" : "2026-04-04"
      }, {
        "pred" : "http://www.w3.org/2002/07/owl#versionInfo",
        "val" : "Release 2025-07-10"
      } ],
      "version" : "http://purl.obolibrary.org/obo/empty/releases/2026-04-04/empty-base.json"
    },
    "nodes" : [ {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000001",
      "lbl" : "measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A quantitative or qualitative observation, recording, or assessment of a property, phenomenon, or system, obtained through standardized procedures, instruments, or methods. Measurements provide empirical data that can be used for scientific analysis, comparison, and interpretation, forming the foundation for hypothesis testing and knowledge advancement across disciplines."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000002",
      "lbl" : "behavioral measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A type of scientific measurement that quantifies an observable action, reaction, or pattern of conduct exhibited by an organism. Behavioral measurements are typically used in biological, psychological, and ethological studies to assess an organism's response to internal states, external stimuli, or experimental manipulations. These can range from simple reflexes to complex social interactions and are obtained through methods including direct observation, video tracking, or specialized automated apparatuses."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000003",
      "lbl" : "elevated plus maze measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A specific category of behavioral measurement obtained from the Elevated Plus Maze (EPM) apparatus, an assay widely used in neuroscience and pharmacology to study anxiety-like behavior and the effects of anxiolytic or anxiogenic compounds in laboratory animals, typically rodents. These measurements quantify various aspects of the animal's exploratory activity, spatial preference (e.g., for open vs. enclosed arms), and specific behaviors (e.g., entries, time spent in zones, freezing) within the maze, providing insights into its emotional state and response to perceived risk."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000004",
      "lbl" : "acoustic startle response measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A type of behavioral measurement that quantifies the reflexive motor response (startle reflex) of an organism to a sudden, intense stimulus, typically acoustic. These measurements are often used to study sensory processing, sensorimotor gating (e.g., prepulse inhibition), and emotional modulation of reflexes (e.g., fear-potentiated startle)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000005",
      "lbl" : "acoustic startle response derived measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A type of behavioral measurement that is not a direct reading of a startle reflex, but is instead a value calculated, inferred, or derived from one or more primary Acoustic Startle Response (ASR) data points. Examples include percentage changes in ASR, ratios, or rates of change over time."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000006",
      "lbl" : "elevated plus maze: open arm (north) - entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this counts the number of times the animal's body (typically defined by its center point or a significant portion) fully enters the user-defined zone designated as 'Open Arm (North)'. The 'Open Arm (North)' is one of the two open arms, distinguished by its assigned 'north' orientation or designation in the experimental setup. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000007",
      "lbl" : "elevated plus maze: open arm (south) - entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this counts the number of times the animal's body (typically defined by its center point or a significant portion) fully enters the user-defined zone designated as 'Open Arm (South)'. The 'Open Arm (South)' is one of the two open arms, distinguished by its assigned 'south' orientation or designation in the experimental setup. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000008",
      "lbl" : "elevated plus maze: open arm total entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this represents the total number of times the animal's body (typically defined by its center point or a significant portion) fully enters the designated open arm zones (e.g., 'Open Arm (North)' and 'Open Arm (South)'). It is a common measure of exploration and anxiety. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000009",
      "lbl" : "elevated plus maze: open arm (north) - head entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this counts the number of times the animal's head (specifically tracked by the software) enters the user-defined 'Open Arm (North)' zone, irrespective of full body entry. This can indicate risk assessment or tentative exploration of the arm designated as 'north'. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000010",
      "lbl" : "elevated plus maze: open arm (south) - head entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this counts the number of times the animal's head (specifically tracked by the software) enters the user-defined 'Open Arm (South)' zone, irrespective of full body entry, often reflecting cautious exploration of the open arm designated as 'south'. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000011",
      "lbl" : "elevated plus maze: open arm total head entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this is the total number of times the animal's head (specifically tracked by the software) enters any of the designated open arm zones (e.g., 'Open Arm (North)' and 'Open Arm (South)'), considered an indicator of risk-assessment behavior. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000012",
      "lbl" : "elevated plus maze: open arm (north) - time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal's body spends within the user-defined 'Open Arm (North)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000013",
      "lbl" : "elevated plus maze: open arm (south) - time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal's body spends within the user-defined 'Open Arm (South)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000014",
      "lbl" : "elevated plus maze: open arm total time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this is the cumulative total duration the animal's body spends within any of the designated open arm zones (e.g., 'Open Arm (North)' and 'Open Arm (South)'). Less time is generally indicative of higher anxiety. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000015",
      "lbl" : "elevated plus maze: open arm total - percent time during test duration",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this represents the percentage of the total test duration that the animal spends in any of the designated open arm zones (e.g., 'Open Arm (North)' and 'Open Arm (South)'). Unit: %"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000016",
      "lbl" : "elevated plus maze: open arm (north) - latency to first entry",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the time elapsed from the start of the test until the animal makes its first full body entry into the user-defined 'Open Arm (North)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000017",
      "lbl" : "elevated plus maze: open arm (south) - latency to first entry",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the time elapsed from the start of the test until the animal makes its first full body entry into the user-defined 'Open Arm (South)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000018",
      "lbl" : "elevated plus maze: open arm total latency to first entry",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the time elapsed from the start of the test until the animal makes its first full body entry into any of the designated open arm zones (e.g., 'Open Arm (North)' or 'Open Arm (South)'). Longer latencies often suggest higher anxiety. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000019",
      "lbl" : "elevated plus maze: open arm (north) - time moving towards",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal spends actively moving towards the user-defined 'Open Arm (North)' zone, as detected by the tracking software. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000020",
      "lbl" : "elevated plus maze: open arm (south) - time moving towards",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal spends actively moving towards the user-defined 'Open Arm (South)' zone, as detected by the tracking software. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000021",
      "lbl" : "elevated plus maze: open arm total time moving towards",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this is the cumulative duration the animal spends actively moving towards any of the designated open arm zones (e.g., 'Open Arm (North)' or 'Open Arm (South)'), reflecting approach motivation. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000022",
      "lbl" : "elevated plus maze: open arm (north) - time freezing",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal exhibits freezing behavior (a state of immobility except for respiratory movements) while within the user-defined 'Open Arm (North)' zone. Freezing is a common fear response. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000023",
      "lbl" : "elevated plus maze: open arm (south) - time freezing",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal exhibits freezing behavior while within the user-defined 'Open Arm (South)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000024",
      "lbl" : "elevated plus maze: open arm total time freezing",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this is the cumulative duration the animal exhibits freezing behavior while within any of the designated open arm zones (e.g., 'Open Arm (North)' or 'Open Arm (South)'), indicating fear or anxiety. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000025",
      "lbl" : "elevated plus maze: closed arm (west) - entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this counts the number of times the animal's body fully enters the user-defined 'Closed Arm (West)' zone, representing the enclosed arm designated as 'west'. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000026",
      "lbl" : "elevated plus maze: closed arm (east) - entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this counts the number of times the animal's body fully enters the user-defined 'Closed Arm (East)' zone, representing the enclosed arm designated as 'east'. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000027",
      "lbl" : "elevated plus maze: closed arm total entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this is the total number of times the animal's body fully enters any of the designated closed arm zones (e.g., 'Closed Arm (West)' and 'Closed Arm (East)'). It is often used as an indicator of general locomotor activity. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000028",
      "lbl" : "elevated plus maze: closed arm (west) - head entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this counts the number of times the animal's head enters the user-defined 'Closed Arm (West)' zone. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000029",
      "lbl" : "elevated plus maze: closed arm (east) - head entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this counts the number of times the animal's head enters the user-defined 'Closed Arm (East)' zone. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000030",
      "lbl" : "elevated plus maze: closed arm total head entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this is the total number of times the animal's head enters any of the designated closed arm zones (e.g., 'Closed Arm (West)' and 'Closed Arm (East)'). Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000031",
      "lbl" : "elevated plus maze: closed arm (west) - time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal's body spends within the user-defined 'Closed Arm (West)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000032",
      "lbl" : "elevated plus maze: closed arm (east) - time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal's body spends within the user-defined 'Closed Arm (East)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000033",
      "lbl" : "elevated plus maze: closed arm total time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this is the cumulative total duration the animal's body spends within any of the designated closed arm zones (e.g., 'Closed Arm (West)' and 'Closed Arm (East)'). Animals typically spend more time in these 'safer' areas. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000034",
      "lbl" : "elevated plus maze: closed arm total - percent time during test duration",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this represents the percentage of the total test duration that the animal spends in any of the designated closed arm zones (e.g., 'Closed Arm (West)' and 'Closed Arm (East)'). Unit: %"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000035",
      "lbl" : "elevated plus maze: closed arm (west) - latency to first entry",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the time elapsed from the start of the test until the animal makes its first full body entry into the user-defined 'Closed Arm (West)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000036",
      "lbl" : "elevated plus maze: closed arm (east) - latency to first entry",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the time elapsed from the start of the test until the animal makes its first full body entry into the user-defined 'Closed Arm (East)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000037",
      "lbl" : "elevated plus maze: closed arm total latency to first entry",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the time elapsed from the start of the test until the animal makes its first full body entry into any of the designated closed arm zones (e.g., 'Closed Arm (West)' or 'Closed Arm (East)'). Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000038",
      "lbl" : "elevated plus maze: closed arm (west) - time moving towards",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal spends actively moving towards the user-defined 'Closed Arm (West)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000039",
      "lbl" : "elevated plus maze: closed arm (east) - time moving towards",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal spends actively moving towards the user-defined 'Closed Arm (East)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000040",
      "lbl" : "elevated plus maze: closed arm total time moving towards",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this is the cumulative duration the animal spends actively moving towards any of the designated closed arm zones (e.g., 'Closed Arm (West)' or 'Closed Arm (East)'). Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000041",
      "lbl" : "elevated plus maze: closed arm (west) - time freezing",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal exhibits freezing behavior while within the user-defined 'Closed Arm (West)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000042",
      "lbl" : "elevated plus maze: closed arm (east) - time freezing",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal exhibits freezing behavior while within the user-defined 'Closed Arm (East)' zone. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000043",
      "lbl" : "elevated plus maze: closed arm total time freezing",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this is the cumulative duration the animal exhibits freezing behavior while within any of the designated closed arm zones (e.g., 'Closed Arm (West)' or 'Closed Arm (East)'). Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000044",
      "lbl" : "elevated plus maze: center - entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this counts the number of times the animal's body fully enters the user-defined 'Center' zone of the maze, typically from one of the arms. The center zone is the area where all four arms meet. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000045",
      "lbl" : "elevated plus maze: center - head entries",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this counts the number of times the animal's head enters the user-defined 'Center' zone of the maze. Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000046",
      "lbl" : "elevated plus maze: center - time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal's body spends within the user-defined 'Center' zone. Time in the center can indicate decision-making or risk assessment. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000047",
      "lbl" : "elevated plus maze: center - percent time during test duration",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this represents the percentage of the total test duration that the animal spends in the user-defined 'Center' zone of the maze. Unit: %"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000048",
      "lbl" : "elevated plus maze: center - latency to first entry",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the time elapsed from the start of the test until the animal makes its first full body entry into the user-defined 'Center' zone. If the animal starts in the center, this value may be zero or not applicable. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000049",
      "lbl" : "elevated plus maze: center - time moving towards",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal spends actively moving towards the user-defined 'Center' zone of the maze (e.g., from an arm). Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000050",
      "lbl" : "elevated plus maze: center - time freezing",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this measures the total duration the animal exhibits freezing behavior while within the user-defined 'Center' zone of the maze. Freezing in this relatively exposed area can indicate high anxiety. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000051",
      "lbl" : "elevated plus maze: test identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "For an Elevated Plus Maze experiment, this is a unique code or descriptive name assigned to identify a specific experimental session, trial, or a particular set of recorded data. It helps in organizing and referencing data from distinct observations."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000052",
      "lbl" : "subject local identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "For an experiment, this is a unique code or label assigned to an individual animal subject. This allows for tracking and associating behavioral data with specific animals, along with their characteristics like strain, sex, or age."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000053",
      "lbl" : "fear-potentiated startle: baseline acoustic startle response amplitude",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Fear-potentiated startle paradigm, this is the amplitude of the acoustic startle response (ASR) measured in response to a startle-eliciting stimulus (e.g., 95-dB white noise burst) prior to any fear conditioning procedures, typically assessed during habituation or pre-conditioning phase. This measurement serves as a reference point for later comparisons with post-conditioning startle responses. Unit: arbitrary units or standardized score."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000054",
      "lbl" : "session timeline",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A relative experimental session timeline; major stimulation events are, by default, considered numerically from 1 to N."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000055",
      "lbl" : "postnatal day",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Postnatal day is a specific unit to measure the age of an organism that is born live (viviparous animals), starting with the day of birth (postnatal day 0). Often abbreviated in written documents with a capital P (as in P0, P10, etc)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000056",
      "lbl" : "microelectrode voltage offset",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A voltage offset measured at the end of a voltage record, in V"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000057",
      "lbl" : "fear-potentiated startle: trial type identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A descriptive string identifying the specific type or condition of a trial in a Fear-Potentiated Startle (FPS) experiment. Examples from the manuscript include 'pre-shock' (baseline startle), 'post-shock' (startle in conditioning context after shocks), 'noise-only' (startle to acoustic stimulus alone during recall tests), or 'light+noise' (startle to acoustic stimulus in presence of conditioned cue during recall tests). The raw data might contain labels like 'Startle 95 dB Trial'."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000058",
      "lbl" : "fear-potentiated startle: apparatus chamber identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Identifier for the specific Plexiglas enclosure or sound-attenuating chamber within the Fear-Potentiated Startle (FPS) apparatus (e.g., San Diego Instruments SR-Lab) in which a subject was tested for a given trial. Unit: count or identifier string"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000059",
      "lbl" : "experimental group code",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A numerical code that assigns a subject to a specific experimental group within the study design. For example, this could numerically represent treatment groups such as 'saline' or 'CNO' as described in the manuscript, or other study-specific groupings."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000060",
      "lbl" : "acoustic startle response: number of samples",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The total number of data points (samples) recorded and analyzed for a single acoustic startle response, typically within a defined time window following stimulus onset (e.g., a 200-ms window as mentioned in the manuscript). Unit: count"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000061",
      "lbl" : "acoustic startle response: sampling rate",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The rate at which the analog startle response signal was digitized during data acquisition. Unit: Hertz (Hz)"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000062",
      "lbl" : "acoustic startle response: startle window onset amplitude",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The amplitude of the digitized acoustic startle response signal at the very beginning (onset) of the defined analysis window (e.g., a 200-ms window) used to quantify the reflex. Unit: millivolts (mV) or arbitrary units based on transducer calibration."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000063",
      "lbl" : "acoustic startle response: maximum amplitude",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The peak amplitude of the acoustic startle response (e.g., 'jump amplitude') detected within the defined analysis window (e.g., 200-ms window) for a given trial. Unit: millivolts (mV) or arbitrary units."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000064",
      "lbl" : "acoustic startle response: time to maximum amplitude",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The latency from the onset of the startle-eliciting stimulus (or the beginning of the analysis window) to the occurrence of the maximum (peak) amplitude of the acoustic startle response. Unit: milliseconds (ms)"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000065",
      "lbl" : "acoustic startle response: average amplitude",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The average amplitude of the digitized acoustic startle response signal calculated across the entire duration of the defined analysis window (e.g., 200-ms window). Unit: millivolts (mV) or arbitrary units."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000066",
      "lbl" : "experiment trial execution timestamp",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The specific date and time indicating when an individual experimental trial was conducted or its data recorded."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000067",
      "lbl" : "fear-potentiated startle: experimental phase or test name",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A string identifier indicating the specific experimental phase, session, or test condition of the Fear-Potentiated Startle (FPS) paradigm to which the data belongs. Examples include 'chamber and startle habituation', 'baseline pre-shock test', 'fear conditioning', 'cued fear recall in context B', 'contextual fear recall in context A', or specific extinction test sessions. [Source: https://doi.org/10.1016/j.celrep.2025.115768]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000068",
      "lbl" : "elevated plus maze: test duration",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the Elevated Plus Maze task, this is the time of the total test duration in seconds'). Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000069",
      "lbl" : "data exclusion flag",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A boolean flag indicating whether the data from a specific subject or experimental replicate should be excluded from subsequent analysis due to predefined quality control issues or experimental failure."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000070",
      "lbl" : "type II BNST neuron",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A type of neuron located in the dorsolateral bed nucleus of the stria terminalis (BNSTDL) that produces post-inhibitory spikes in response to preceding negative current steps, which is related to the action of the low-threshold Ca2+ current. These neurons also display strong voltage sags under hyperpolarizing current pulses, indicating a high level of the hyperpolarization-activated cation current (Ih). [Source: https://doi.org/10.1016/j.celrep.2025.115768]"
        },
        "basicPropertyValues" : [ {
          "pred" : "http://purl.obolibrary.org/obo/IAO_0000118",
          "val" : "BNSTNeuronTypeII"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000071",
      "lbl" : "investigator-defined cell type",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A cell type proposed by an investigator on the basis of electrophysiological or anatomical criteria."
        },
        "basicPropertyValues" : [ {
          "pred" : "http://purl.obolibrary.org/obo/IAO_0000118",
          "val" : "investigatorDefinedCellType"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000072",
      "lbl" : "type I BNST neuron",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A type of neuron located in the dorsolateral bed nucleus of the stria terminalis (BNSTDL) that fires regularly, displays moderate spike frequency adaptation, and exhibits a voltage sag indicating the presence of the hyperpolarization-activated cation current (Ih). [Source: https://doi.org/10.1016/j.celrep.2025.115768]"
        },
        "basicPropertyValues" : [ {
          "pred" : "http://purl.obolibrary.org/obo/IAO_0000118",
          "val" : "BNSTNeuronTypeI"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000073",
      "lbl" : "type III BNST neuron",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A type of neuron located in the dorsolateral bed nucleus of the stria terminalis (BNSTDL) characterized by a high rheobase, absence of voltage sag under negative current steps, prominent inward rectification due to the activation of the inward rectifying K+ current (IKIR) at membrane potentials more negative than approximately -50 mV, and firing onset after a characteristic slow voltage ramp mediated by the K+ delayed current (ID). [Source: https://doi.org/10.1016/j.celrep.2025.115768]"
        },
        "basicPropertyValues" : [ {
          "pred" : "http://purl.obolibrary.org/obo/IAO_0000118",
          "val" : "BNSTNeuronTypeIII"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000074",
      "lbl" : "optogenetic tetanus stimulation target location",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The specific anatomical region where tetanic light stimulation (TLS) is applied in optogenetic experiments to evoke neuronal activity. The value should be defined by the ONTOLOGY_NAME:ONTOLOGY_NODE (e.g. 'UBERON:0000123')."
        },
        "basicPropertyValues" : [ {
          "pred" : "http://purl.obolibrary.org/obo/IAO_0000118",
          "val" : "optogeneticTetanusStimulationTargetLocation"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000075",
      "lbl" : "experimental trial number",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The index of an individual experimental trial within a set."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000076",
      "lbl" : "descriptor",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A term that describes, characterizes, or quantifies an aspect of an experimental entity, process, or system."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000077",
      "lbl" : "manipulation",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "An intentional action, intervention, or condition applied during an experiment to observe its effect on a subject or system."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000078",
      "lbl" : "epoch-related manipulation",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A manipulation that is applied or relevant to a specific, defined segment of time (an epoch) within an experiment, often coinciding with data recording."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000079",
      "lbl" : "subject-related manipulation",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A manipulation applied to an experimental subject that alters its overall state, which is not necessarily linked to a specific data collection epoch. This often includes long-term interventions like pharmacological treatments or surgical procedures."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000080",
      "lbl" : "parameter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A variable, characteristic, or measurable factor that helps define a particular system, experiment, or process. Parameters are often controlled or measured to understand their effect on the outcome."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000081",
      "lbl" : "identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "One or more characters used to identify, name, or characterize the nature, properties, or contents of a thing."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000082",
      "lbl" : "universally unique identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A standardized number used to uniquely identify information in computer systems, ensuring that no two identifiers are the same across different systems or contexts."
        },
        "synonyms" : [ {
          "pred" : "hasExactSynonym",
          "val" : "UUID"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000083",
      "lbl" : "enumerated identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "An identifier assigned sequentially from a numbered list, typically as an integer (e.g., 1, 2, 3), to distinguish between individual items."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000084",
      "lbl" : "categorical identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "An identifier that assigns an item to a specific, predefined category or Class, often represented by a string or label."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000085",
      "lbl" : "flag",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A binary variable, typically boolean (true/false), used to indicate the presence or absence of a specific condition, state, or attribute."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000086",
      "lbl" : "ontology node",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "An identifier that specifies a term within a formal ontology, which should be represented as a combination of the ontology's name and the term's unique ID (e.g., ontologyName:ontologyID)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000087",
      "lbl" : "NDI document identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A unique identifier assigned to a document within the Neuroscience Data Interface (NDI) framework, used to link experimental data to its corresponding metadata and parameters."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000088",
      "lbl" : "time-related measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A measurement that quantifies a property related to time, such as a specific moment, an interval, or a rate of occurrence."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000089",
      "lbl" : "timestamp",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A sequence of characters or encoded information identifying when a certain event occurred, usually giving the date and time of day, sometimes to a small fraction of a second."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000090",
      "lbl" : "duration",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A measurement of the total amount of time that an event or process continues from its start to its end."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000091",
      "lbl" : "timepoint",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A measurement representing a single, specific moment in time at which an event occurs or an observation is made. Typically reported in seconds."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000092",
      "lbl" : "elevated plus maze parameter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A parameter that specifies the settings or technical details of an Elevated Plus Maze experiment."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000093",
      "lbl" : "fear-potentiated startle parameter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A parameter that specifies the settings or technical details of a Fear-potentiated startle experiment."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000094",
      "lbl" : "ambient temperature",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The ambient room temperature recorded during an experiment. Unit: degrees Celsius."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000095",
      "lbl" : "ambient humidity",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The ambient room humidity recorded during an experiment. Unit: percentage (%)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000096",
      "lbl" : "subject document identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A unique alphanumeric identifier assigned to an NDI subject document."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000097",
      "lbl" : "C. elegans assay parameter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A specific parameter related to the experimental setup or conditions of an assay involving the nematode Caenorhabditis elegans."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000098",
      "lbl" : "bacterial parameter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A specific parameter describing the properties or conditions of bacteria in an experiment."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000099",
      "lbl" : "C. elegans assay phase",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A string identifier indicating the specific phase of a C. elegans experiment (e.g. 'cultivation' or 'behavior')."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000100",
      "lbl" : "C. elegans behavioral assay measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A quantitative or qualitative value obtained from a C. elegans behavioral assay, used to describe an aspect of the animal's movement, position, or interaction with its environment."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000101",
      "lbl" : "C. elegans behavioral assay parameter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A controlled or measured variable specifically related to the design and execution of a C. elegans behavioral assay."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000102",
      "lbl" : "C. elegans cultivation parameter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A parameter related to the conditions under which C. elegans were grown and maintained before being used in an experiment, such as the food source or temperature."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000103",
      "lbl" : "experiment session identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A unique numerical identifier for a distinct experimental session."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000104",
      "lbl" : "bacterial strain document identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Unique alphanumeric identifier that links to an OpenMINDs document describing the strain of bacteria used in an experiment."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000105",
      "lbl" : "bacterial OD600 (target) at seeding",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The intended or nominal optical density at 600 nm (OD 600) to which the bacterial solution was diluted for creating bacterial patches on agar plates. Unit: dimensionless."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000106",
      "lbl" : "bacterial plate seeding timestamp",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The date and time when a liquid culture of bacteria was seeded (pipetted) onto an agar plate. Unit: datetime."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000107",
      "lbl" : "bacterial plate cold storage timestamp",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The date and time when an agar plate seeded with bacteria was transferred to cold storage (at approximately 4 degrees Celsius) to arrest or slow bacterial growth, if part of the protocol. Unit: datetime."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000108",
      "lbl" : "bacterial plate room temperature timestamp",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The date and time when an agar plate seeded with bacteria was moved from cold storage to room temperature (at approximately 25 degrees Celsius) to continue bacterial growth, if part of the protocol. Unit: datetime."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000109",
      "lbl" : "C. elegans developmental stage",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The developmental stage (e.g. 'L4' or '1DOA') at the time in which C. elegans were picked to the agar plate. Unit: datetime."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000110",
      "lbl" : "bacterial OD600 measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The measured optical density at 600 nm (OD600) of a reference liquid culture of bacteria. Unit: dimensionless."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000111",
      "lbl" : "bacterial colony forming units (CFU) measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The concentration of viable bacterial cells quantified as Colony Forming Units per milliliter (CFU/mL), estimated for the reference liquid culture of bacteria. Unit: CFU/mL."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000112",
      "lbl" : "bacterial plate identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A unique numerical identifier assigned to the physical plate (e.g., NGM agar plate) on which bacterial patch(s) were seeded."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000113",
      "lbl" : "bacterial plate document identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A unique alphanumeric identifier assigned to an NDI ontologyTableRow document that contains the set of parameters and conditions for a specific agar plate containing bacterial patch(s)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000114",
      "lbl" : "C. elegans picked timestamp",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The date and time when C. elegans were picked to an agar plate. Unit: datetime."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000115",
      "lbl" : "C. elegans behavioral assay label",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A string label referring to the layout of food patches (i.e., 'SingleDensityMultiPatch', 'MultiDensityMultiPatch','LargeSinglePatch','SmallSinglePatch') for experiments in Haley et al. (2025). [Source: https://doi.org/10.7554/eLife.103191.2.sa4]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000116",
      "lbl" : "bacterial OD600 label",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A string label used to categorize or identify the nominal OD600 condition of bacterial patches in an experiment (e.g., '1.0', '0.5', '10.0') corresponding to the relative density conditions for experiments in Haley et al. (2025). [Source: https://doi.org/10.7554/eLife.103191.2.sa4]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000117",
      "lbl" : "bacterial plate growth duration label",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A string label (e.g. '1','12','48') indicating the approximate duration of bacterial growth at room temperature (in hours) for experiments in Haley et al. (2025). [Source: https://doi.org/10.7554/eLife.103191.2.sa4]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000118",
      "lbl" : "bacterial plate peptone inclusion flag",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A boolean flag indicating whether peptone was included in the agar assay plates. Peptone presence supports bacterial growth. True: peptone included."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000119",
      "lbl" : "bacteria growth duration after seeding",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The total duration for which bacterial patch(s) on agar plates were allowed to grow at room temperature starting at the time seeded and ending at the beginning of the assay. Unit: hours."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000120",
      "lbl" : "bacterial patch volume",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The volume of bacterial solution pipetted to create an individual patch on an agar plate. Note: Volumes under 1 µL are approximate due to the difficulty of pipetting liquids at this scale. Unit: microliters (µL)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000121",
      "lbl" : "bacterial patch spacing (target)",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The intended center-to-center distance between adjacent bacterial food patches when arranged in a grid on an agar plate. Unit: millimeters (mm)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000122",
      "lbl" : "C. elegans behavioral assay: plate or arena diameter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The diameter of the experimental plate or arena used to corral animals in a C. elegans behavioral assay. A typical 9 cm agar plate will by 90 mm. Unit: millimeters (mm)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000123",
      "lbl" : "bacterial patch identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A unique numerical identifier assigned to a patch of bacteria growing on an agar assay plate."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000124",
      "lbl" : "bacterial patch center: X coordinate",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The X pixel coordinate representing the geometric center of an individual detected bacterial food patch within an assay arena. Unit: pixels."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000125",
      "lbl" : "bacterial patch center: Y coordinate",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The Y pixel coordinate representing the geometric center of an individual detected bacterial food patch within an assay arena. Unit: pixels."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000126",
      "lbl" : "bacterial patch radius",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The radius of an individual detected bacterial patch on an agar plate, assuming patches are circular or near-circular. Unit: pixels."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000127",
      "lbl" : "bacterial patch circularity",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A quantitative measure assessing how closely the shape of an individual detected bacterial patch conforms to a perfect circle. 1 is a perfect circle. [Source: https://www.mathworks.com/help/images/ref/regionprops.html]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000128",
      "lbl" : "subject identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A unique numerical identifier assigned to a subject in an experiment."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000129",
      "lbl" : "C. elegans behavioral assay: video recording",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A video recording capturing the behavior of C. elegans during an experimental assay."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000130",
      "lbl" : "C. elegans behavioral assay: arena mask",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A binary image (logical matrix) where pixels within the experimental arena for C. elegans are marked (true) and pixels outside are unmarked (false). This mask defines the region of interest for worm tracking and behavioral analysis."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000131",
      "lbl" : "bacterial patch mask",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A binary image mask (logical matrix) representing the union of all individually detected bacterial patch areas on an assay plate. This mask defines all food-containing regions."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000132",
      "lbl" : "bacterial patch closest identifier map",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "An image or map where each pixel's value is the identifier of the bacterial patch closest to that pixel's location."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000133",
      "lbl" : "bacterial patch fluorescence image (normalized)",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "An image of fluorescently labeled bacterial patches that has been processed to correct for uneven illumination. This is achieved by dividing the raw fluorescence image by a corresponding, smoothed background image (typically of an empty agar plate), thereby removing illumination-dependent spatial variance in the signal intensity. Unit: dimensionless."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000134",
      "lbl" : "bacterial patch document identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A unique alphanumeric identifier assigned to an NDI ontologyTableRow document that details the specific parameters of a bacterial food patch such as its location, size, and density."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000135",
      "lbl" : "C. elegans body part",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A distinct anatomical region of the C. elegans worm, such as the head, midpoint, or tail, which can be tracked to quantify behavior."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000136",
      "lbl" : "C. elegans head",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The anterior-most part of the C. elegans body."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000137",
      "lbl" : "C. elegans midpoint",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The center point of the C. elegans body."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000138",
      "lbl" : "C. elegans tail",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The posterior-most part of the C. elegans body."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000139",
      "lbl" : "C. elegans behavioral assay: encounter identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A unique numerical identifier assigned to a specific encounter event for a given animal. This distinguishes individual encounters for detailed analysis."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000140",
      "lbl" : "C. elegans behavioral assay: encounter onset time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The time, in seconds, corresponding to the frame at which the C. elegans worm enters a bacterial food patch. This is the precise start time of an encounter."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000141",
      "lbl" : "C. elegans behavioral assay: encounter offset time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The time, in seconds, corresponding to the frame at which the C. elegans worm exits a bacterial food patch. This is the precise end time of an encounter."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000142",
      "lbl" : "C. elegans behavioral assay: deceleration upon encounter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The rate of change in the C. elegans worm's velocity, measured as the slope of the velocity curve during a defined time window surrounding its encounter with a bacterial patch. A negative value indicates a slowdown upon encounter. Unit: µm/s²."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000143",
      "lbl" : "C. elegans behavioral assay: minimum velocity during encounter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The minimum instantaneous velocity recorded for the C. elegans worm while it is located on a bacterial food patch during an encounter. Unit: µm/s."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000144",
      "lbl" : "C. elegans behavioral assay: peak velocity before encounter onset",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The peak instantaneous velocity of the C. elegans worm observed within 10 seconds before its entry into a bacterial food patch. Unit: µm/s."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000145",
      "lbl" : "C. elegans behavioral assay: minimum velocity after encounter offset",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The minimum instantaneous velocity of the C. elegans worm observed within 10 seconds after its entry into a bacterial food patch. Unit: µm/s."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000146",
      "lbl" : "C. elegans behavioral assay: posterior probability of exploitation",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The posterior probability, derived from a Gaussian Mixture Model (GMM) Classification, that a given patch encounter represents an 'exploitation' event (i.e., the worm has accepted the patch and is consuming bacteria). This value ranges from 0 to 1. [Source: https://doi.org/10.7554/eLife.103191.2.sa4]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000147",
      "lbl" : "C. elegans behavioral assay: posterior probability of sensing",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The posterior probability, derived from a semi-supervised Quadratic Discriminant Analysis (QDA), that a given patch encounter was 'sensed' by the C. elegans worm (i.e., the animal detected the presence of bacteria, typically indicated by a slowdown). This value ranges from 0 to 1. [Source: https://doi.org/10.7554/eLife.103191.2.sa4]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000148",
      "lbl" : "C. elegans behavioral assay: relative density of encountered bacteria",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A normalized, quantitative measure of the bacterial density of a specific bacterial food patch that a C. elegans worm encounters during an assay. [Source: https://doi.org/10.7554/eLife.103191.2.sa4]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000149",
      "lbl" : "C. elegans behavioral assay: relative density of cultivation bacteria",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A normalized, quantitative measure of the bacterial density on the agar plates where C. elegans were cultivated prior to the behavioral assay. [Source: https://doi.org/10.7554/eLife.103191.2.sa4]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000150",
      "lbl" : "bacterial fluorescence assay measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A measurement in a bacterial fluorescence assay used to estimate the relative density of bacterial patches."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000151",
      "lbl" : "agar plate pouring timestamp",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The date and time when an agar plate was poured. Unit: datetime."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000152",
      "lbl" : "agar plate cold storage timestamp",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The date and time when an agar plate was transferred to cold storage (at approximately 4 degrees Celsius) to retain moisture for long-term storage. Unit: datetime."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000153",
      "lbl" : "microscopy image identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A unique numerical identifier for a microscopy image."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000154",
      "lbl" : "microscopy image exposure time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The duration the microscope's camera or sensor is exposed to light. Unit: milliseconds."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000155",
      "lbl" : "bacterial patch border peak fluorescence intensity",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The maximum pixel intensity detected along the radial profile of a fluorescent bacterial patch, typically found at the patch edge where bacteria are actively proliferating. [Source: https://doi.org/10.7554/eLife.103191.3]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000156",
      "lbl" : "bacterial patch border edge fluorescence intensity",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The pixel intensity measured at the detected border of a fluorescent bacterial patch. [Source: https://doi.org/10.7554/eLife.103191.3]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000157",
      "lbl" : "bacterial patch border fluorescence amplitude",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A measure of bacterial density defined as the difference between the peak pixel intensity and the border pixel intensity of a fluorescent bacterial patch. [Source: https://doi.org/10.7554/eLife.103191.3]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000158",
      "lbl" : "bacterial patch mean fluorescence amplitude",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The average pixel intensity computed across every pixel of a fluorescent bacterial patch. [Source: https://doi.org/10.7554/eLife.103191.3]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000159",
      "lbl" : "bacterial patch center fluorescence amplitude",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The average pixel intensity of the middle 50% of a fluorescent bacterial patch. [Source: https://doi.org/10.7554/eLife.103191.3]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000160",
      "lbl" : "bacterial patch border-to-center fluorescence ratio",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The ratio of the patch border amplitude to the patch center amplitude, used as a measure of bacterial distribution within the patch. [Source: https://doi.org/10.7554/eLife.103191.3]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000161",
      "lbl" : "bacterial measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A measurement of bacteria."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000162",
      "lbl" : "amplitude",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The amplitude of a periodic variable is a measure of its change in a single period (such as time or spatial period). The amplitude of a non-periodic signal is its magnitude compared with a reference value."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000163",
      "lbl" : "contextual fear conditioning measurement",
      "type" : "CLASS"
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000164",
      "lbl" : "contextual fear conditioning parameter",
      "type" : "CLASS"
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000165",
      "lbl" : "brain region name",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A specific anatomical region in the brain. For example where activity is measured, expression is visualized, or an injection is placed. The value should be a string defined by the term name associated with the ontology term for the brain region."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000166",
      "lbl" : "brain region ontology identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The term ontology identifer for a specific anatomical region in the brain from another ontology. For example where activity is measured, expression is visualized, or an injection is placed. The value should be a string defined by the term ontology identifier associated with the brain region (e.g., ONTOLOGYNAME:00000001)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000167",
      "lbl" : "cell count",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Quantified cells. Cells may be labelled or otherwise identified. Value is a number that indicates how many cells of interest were counted."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000168",
      "lbl" : "EYFP average cell count",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Average number of EYFP labelled/tagged cells counted in a region or individual."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000169",
      "lbl" : "c-Fos average cell count",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Average number of c-fos-positive cells counted in a region or individual."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000170",
      "lbl" : "EYFP engram average cell count",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Average number of cells positive for both EYFP (EYFP+; encoding) and c-Fos (c-Fos+; retrieval) as a percentage compared to total number of EYFP+ cells in a region or individual. Overlapping cells positive for both EYFP and c-Fos are indicative of memory traces or engrams."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000171",
      "lbl" : "c-Fos engram average cell count",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Average number of cells positive for both EYFP (EYFP+; encoding) and c-Fos (c-Fos+; retrieval) as a percentage compared to total number of c-Fos+ cells in a region or individual. Overlapping cells positive for both EYFP and c-Fos are indicative of memory traces or engrams."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000172",
      "lbl" : "subject box identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Subject box identifier indicating the holding location during an experiment."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000173",
      "lbl" : "contextual fear conditioning: block type",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Identifier for the contextual fear conditioning block type: training or re-exposure"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000174",
      "lbl" : "contextual fear conditioning: block minute",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Identifier for the contextual fear conditioning block minute. An integer will represent which minute of the block is being indicated."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000175",
      "lbl" : "contextual fear conditioning: time freezing",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The number of seconds the individual spent freezing during a given period of time. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000176",
      "lbl" : "contextual fear conditioning: block duration",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the contextual fear conditioning paradigm, this is the time of the block duration in seconds. Unit: seconds"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000177",
      "lbl" : "contextual fear conditioning: percent time freezing",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "In the contextual fear conditioning paradigm, this is the percentage of time that the animal spent freezing."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000178",
      "lbl" : "ArcCreERT2 (+) (129S6/SvEv)",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Transgenic mouse strain on 129S6/SvEv background"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000179",
      "lbl" : "transgenic mouse",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A mouse whose genome has been altered by the inclusion of foreign genetic material. The technique involves microinjection of foreign DNA fragments into the nucleus of a fertilized egg. The inserted gene becomes integrated into every cell and tissue of the mouse."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000180",
      "lbl" : "ROSA26-CAG-loxp-stop-loxp-EYFP-WPRE (-/-) (129S6/SvEv)",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Transgenic mouse on 129S6/SvEv background"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000181",
      "lbl" : "ArcCreERT2 x eYFP (129S/SvEv)",
      "type" : "CLASS"
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000182",
      "lbl" : "dorsal dentate gyrus of hippocampal formation",
      "type" : "CLASS",
      "meta" : {
        "basicPropertyValues" : [ {
          "pred" : "http://purl.obolibrary.org/obo/IAO_0000118",
          "val" : "dDG"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000183",
      "lbl" : "ventral dentate gyrus of hippocampal formation",
      "type" : "CLASS",
      "meta" : {
        "basicPropertyValues" : [ {
          "pred" : "http://purl.obolibrary.org/obo/IAO_0000118",
          "val" : "vDG"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000184",
      "lbl" : "dorsal CA3",
      "type" : "CLASS",
      "meta" : {
        "basicPropertyValues" : [ {
          "pred" : "http://purl.obolibrary.org/obo/IAO_0000118",
          "val" : "dCA3"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000185",
      "lbl" : "ventral CA3",
      "type" : "CLASS",
      "meta" : {
        "basicPropertyValues" : [ {
          "pred" : "http://purl.obolibrary.org/obo/IAO_0000118",
          "val" : "vCA3"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000186",
      "lbl" : "dorsal CA1",
      "type" : "CLASS"
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000187",
      "lbl" : "ventral CA1",
      "type" : "CLASS"
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000188",
      "lbl" : "subject cage identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Subject cage identifier indicating the housing location prior to an experiment."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000189",
      "lbl" : "treatment",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A treatment applied to a subject that is not associated with any particular data epoch. Treatments can include pharmacological interventions, surgical procedures, environmental manipulations, or any other controlled alteration of a subject's state that is intended to produce a specific effect or response."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000190",
      "lbl" : "treatment: experienced cricket hunting",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Indicates that the animal has had experience with hunting for crickets in some capacity"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000191",
      "lbl" : "treatment: has not experienced cricket hunting",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Indicates that the animal has not had experience with hunting for crickets"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000192",
      "lbl" : "treatment: acclimation onset time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The subject was acclimated to a temperature at a particular onset time."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000193",
      "lbl" : "treatment: acclimation temperature",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The temperature (in degrees C) at which the subject was acclimated."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000194",
      "lbl" : "treatment: non-survival experiment time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The subject was used in a non-survival experiment."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000195",
      "lbl" : "treatment: left eye premature eye opening",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The subject's left eye was opened prematurely, before natural eye opening."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000196",
      "lbl" : "treatment: right eye premature eye opening",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The subject's right eye was opened prematurely, before natural eye opening."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000197",
      "lbl" : "treatment: natural left eye opening",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The subject's left eye was allowed to open naturally."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000198",
      "lbl" : "treatment: natural right eye opening",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The subject's right eye was allowed to open naturally."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000199",
      "lbl" : "treatment: grating direction-of-motion visual stimulation",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Training was provided for several hours with drifting sinusoidal gratings (provided in hours)"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000200",
      "lbl" : "treatment: CNO or saline administration",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Specifies the pharmacological treatment assigned to a subject. This assignment dictates the experimental group, with possible values being 'CNO' for Clozapine-N-oxide administration (2 mg/kg, i.p.) or 'Saline' for vehicle control administration (i.p.). These treatments were administered 45 minutes before fear conditioning and before EPM testing."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000201",
      "lbl" : "date of birth",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Specifies the date of birth in YYYY-MM-DD format"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000202",
      "lbl" : "treatment: food restriction onset time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The date and time when a period of food restriction begins for a subject. Unit: datetime."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000203",
      "lbl" : "treatment: food restriction offset time",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The date and time when a period of food restriction ends for a subject. Unit: datetime."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000204",
      "lbl" : "treatment: culture from cell type",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Indicates the experimental subject is a cell culture established from cells of a specific, known cell type."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000205",
      "lbl" : "purpose",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The purpose of a measurement, stimulus, or experiment. This describes the intended goal or objective of the scientific investigation or a specific component of it."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000206",
      "lbl" : "purpose: assessing spatial frequency tuning",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "States that the purpose of the stimulus is to assess spatial frequency tuning"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000207",
      "lbl" : "purpose: assessing temporal frequency tuning",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "States that the purpose of the stimulus is to assess temporal frequency tuning"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000208",
      "lbl" : "purpose: assessing direction of motion tuning",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "States that the purpose of the stimulus is to assess direction of motion tuning"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000209",
      "lbl" : "purpose: assessing contrast tuning",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "States that the purpose of the stimulus is to assess contrast tuning"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000210",
      "lbl" : "purpose: assessing ocular dominance or binocular matching",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "States that the purpose of the stimulus is to assess ocular dominance or binocular matching"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000211",
      "lbl" : "purpose: assessing the pyloric rhythm",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "States that the purpose of the measurement is to observe the pyloric rhythm"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000212",
      "lbl" : "purpose: assessing the gastric mill rhythm",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "States that the purpose of the measurement is to observe the gastric mill rhythm"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000213",
      "lbl" : "purpose: assessing activity with temperature manipulation",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "States that the purpose of the stimulus is to assess the activity of probed subjects at a particular temperature."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000214",
      "lbl" : "approach",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "An approach to stimulation that is associated with an epoch of data but that is not already coded in stimulator metadata. This represents a specific methodology, technique, or procedural aspect applied during data collection that provides important context for interpreting the data."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000215",
      "lbl" : "approach: left eye view blocked",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Indicates that the view through the left eye was blocked during presentation of this stimulus"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000216",
      "lbl" : "approach: right eye view blocked",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Indicates that the view through the right eye was blocked during presentation of this stimulus"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000217",
      "lbl" : "approach: command temperature constant",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The temperature of an experimental object has been commanded to be a certain value"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000218",
      "lbl" : "approach: command temperature start",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The temperature of an experimental object has been commanded to be a certain value at the beginning of the recording epoch"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000219",
      "lbl" : "approach: command temperature end",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The temperature of an experimental object has been commanded to be a certain value at the end of the recording epoch"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000220",
      "lbl" : "approach: before optogenetic tetanus",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The measurement is performed before an optogenetic tetanus stimulus."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000221",
      "lbl" : "approach: after optogenetic tetanus",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The measurement is performed after an optogenetic tetanus stimulus."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000222",
      "lbl" : "approach: before artificial visual stimulation",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The measurement is performed before a long bout of artificial visual stimulation."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000223",
      "lbl" : "approach: after artificial visual stimulation",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The measurement is performed after a long bout of artificial visual stimulation."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000224",
      "lbl" : "subject text identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A categorical identifier consisting of a string of alphanumeric characters assigned by an investigator to uniquely label a subject. Unlike numerical codes, these often include descriptive prefixes related to the study or cohort."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000225",
      "lbl" : "subject enumerated identifier",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "An enumerated identifier assigned to an experimental subject based on a sequential numbering system, used to distinguish individuals within a specific group or trial."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000226",
      "lbl" : "experiment metadata file",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A digital document containing structured data that describes the context, parameters, and environmental conditions under which an experiment was performed. It serves to ensure the reproducibility and interpretability of the primary experimental data."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000227",
      "lbl" : "data-independent acquisition (DIA)",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A method of molecular analysis, typically in mass spectrometry, where all ions within a specified m/z range are fragmented and analyzed together. This approach provides a comprehensive and reproducible digital record of the sample without the stochastic sampling bias found in data-dependent acquisition."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000228",
      "lbl" : "slide scanner image acquisition",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A process of generating high-resolution digital representations of whole histological sections mounted on glass slides using an automated microscopy system. This enables large-scale quantitative analysis of tissue morphology and marker expression."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000229",
      "lbl" : "echocardiogram acquisition",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A non-invasive procedure that uses ultrasound waves to generate real-time images of the heart's structure and function. In an experimental context, it is used to measure parameters such as chamber dimensions, wall thickness, and blood flow velocity."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000230",
      "lbl" : "unknown electronic file type",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A digital file for which the format, encoding, or origin cannot be definitively identified by the system or investigator, necessitating further manual review or specialized software for interpretation."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000231",
      "lbl" : "C. elegans chemotaxis assay parameter",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A parameter that specifies the technical settings, environmental conditions, or experimental design of a chemotaxis assay involving Caenorhabditis elegans."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000232",
      "lbl" : "C. elegans chemotaxis assay parameter: chemoattractant mixture table",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A table containing the quantities and identities of all chemicals used as a chemoattractant (e.g., isoamyl alcohol, diacetyl) to elicit a directed movement response in C. elegans."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000233",
      "lbl" : "C. elegans chemotaxis assay parameter: chemoattractant mixture volume",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The volume of the chemoattractant mixture pipetted onto the agar plate in a chemotaxis assay. Unit: microliters (μL)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000234",
      "lbl" : "C. elegans chemotaxis assay parameter: assay duration",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The total time elapsed from the point at which C. elegans are placed on the assay plate until the movement is arrested or the final positions are recorded. Unit: minutes."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000235",
      "lbl" : "C. elegans chemotaxis assay measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A quantitative or qualitative value derived from a C. elegans chemotaxis assay, typically describing the efficiency or directionality of the animals' movement toward or away from a chemical source."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000236",
      "lbl" : "C. elegans chemotaxis assay measurement: McCutcheon index",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A behavioral measurement of chemotactic efficiency defined as the ratio of the straight-line displacement toward the attractant to the total path length traveled by the organism. Values range from -1 to 1."
        },
        "synonyms" : [ {
          "pred" : "hasExactSynonym",
          "val" : "chemotactic ratio"
        } ]
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000237",
      "lbl" : "C. elegans chemotaxis assay measurement: mean velocity",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "The average speed of a C. elegans individual or population during the duration of the chemotaxis assay. Unit: micrometers per second (µm/s)."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000238",
      "lbl" : "investigator-defined strain",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A specific genetic variant or line of an organism designated by the investigator, often containing unique mutations, transgenes, or genomic edits not yet categorized in a public repository."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000239",
      "lbl" : "C. elegans strain",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A specific strain of Caenorhabditis elegans, identified by its genotype or a standard nomenclature (e.g., N2, CB4856), used in experimental procedures."
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000240",
      "lbl" : "BAB9001",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A C. elegans strain with the genotype daf-22 (m130). This strain was originally obtained from the Caenorhabditis Genetics Center (CGC) as strain DR476 and subsequently outcrossed three times. [Source: https://doi.org/TBD]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000241",
      "lbl" : "BAB9002",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A C. elegans klp-6 rescue strain with the genotype klp-6 (my8); Pklp-6::GFP::KLP-6 (array, IndEx 9002). [Source: https://doi.org/TBD]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000242",
      "lbl" : "TM5848",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A C. elegans strain with the genotype cil-7 (tm5848) I, exhibiting a him phenotype. This strain was obtained from the National BioResource Project (NBRP), Japan. [Source: https://doi.org/TBD]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000243",
      "lbl" : "PT3602",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A C. elegans strain with the genotype cil-7 (my61[cil-7::mNG])I; him-5(e1490) V. This strain was provided as a gift from the Maureen Barr lab. [Source: https://doi.org/TBD]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000244",
      "lbl" : "BAB9003",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A C. elegans strain with the genotype PT3602; Pnlp-43_hCaspase nZ (array IndEx 9003). [Source: https://doi.org/TBD]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000245",
      "lbl" : "BAB9004",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A C. elegans strain with the genotype PT3602; Pklp-6_hCaspase Cz (array IndEx 9004). [Source: https://doi.org/TBD]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000246",
      "lbl" : "BAB9005",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "A C. elegans strain with the genotype PT3602; Pnlp-43_hCaspase nZ (array IndEx 9003) and Pklp-6_hCaspase Cz (array IndEx 9004). [Source: https://doi.org/TBD]"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000247",
      "lbl" : "fluorescence imaging measurement",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "fluorescence imaging measurement"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000248",
      "lbl" : "mean fluorescence intensity",
      "type" : "CLASS",
      "meta" : {
        "definition" : {
          "val" : "Mean fluorescence intensity. Unit: arbitrary units (AU)"
        }
      }
    }, {
      "id" : "http://purl.obolibrary.org/obo/EMPTY_0000249",
      "lbl" : "fluorescent punctal count",
      "type" : "CLASS",
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