mpib_sp_eeg/task-ActiveFixed_events.json

{
    "StimulusPresentation": {
        "OperatingSystem": "Windows 10 - Version 1903",
        "SoftwareName": "PsychoPy",
        "SoftwareRRID": "SCR_006571",
        "SoftwareVersion": "3.0.0",
        "Code": "doi:10.5281/zenodo.3354368"
    },
    "onset": {
        "Description": "onset of the event",
        "Units": "seconds"
    },
    "duration": {
        "Description": "duration of the event",
        "Units": "seconds"
    },
    "trial": {
        "Description": "zero indexed trial counter, where a trial is a sequence of steps that ends with a final choice."
    },
    "action_type": {
        "Description": "type of the action that the subject performed at this event within a trial",
        "Levels": {
            "sample": "the subject sampled either the left or the right option",
            "stop": "the subject decided to stop sampling the options and instead use the next action for a final choice",
            "forced_stop": "the subject took a maximum of samples and wanted to take another one, so we force stopped in this turn",
            "premature_stop": "the subject tried to stop sampling before taking a single sample. This lead to an error.",
            "final_choice": "the subject chose either the left or the right option as a final choice"
        }
    },
    "action": {
        "Description": "the concrete action that the subject performed for the action type",
        "Levels": {
            "0": "the subject picked the *left* option",
            "1": "the subject picked the *right* option",
            "2": "the subject decided to stop sampling - for action_type *stop* only"
        }
    },
    "outcome": {
        "Description": "the outcome that the subject received for their action. Numbers in the range 1 to 9."
    },
    "response_time": {
        "Description": "the time it took the subject to respond after the onset of the event",
        "Units": "milliseconds"
    },
    "value": {
        "Description": "the TTL trigger value (=EEG marker value) associated with an event",
        "Levels": {
            "1": "beginning of the experiment",
            "2": "end of the experiment",
            "3": "color of fixcross is changed to indicate start of new trial",
            "4": "onset of new sample within a trial (fixcross changes to white color)",
            "5": "subject chose *left* during sampling",
            "6": "subject chose *right* during sampling",
            "7": "subject chose *stop* during sampling",
            "8": "a masked outcome is shown after sampling (left side)",
            "9": "an outcome is revealed after sampling (left side)",
            "10": "a masked outcome is shown after sampling (right side)",
            "11": "an outcome is revealed after sampling (right side)",
            "12": "color of fixcross is changed to indicate start of a final choice",
            "13": "onset of new final choice at the end of trial (fixcross changes to white color)",
            "14": "subject chose *left* for final choice",
            "15": "subject chose *right* for final choice",
            "16": "a masked outcome is shown after final choice (left side)",
            "17": "an outcome is revealed after final choice (left side)",
            "18": "a masked outcome is shown after final choice (right side)",
            "19": "an outcome is revealed after final choice (right side)",
            "20": "color of fixcross is changed to indicate an error (ignore all markers prior to this marker within this trial)",
            "21": "subject took the maximum number of samples and wanted to take yet another one",
            "22": "subject tried to make a final choice before taking at least one sample",
            "23": "block feedback is displayed"
        }
    },
    "mag0_1": {
        "LongName": "magnitude 0_1",
        "Description": "the first of two possible magnitudes in outcomes for option 0"
    },
    "prob0_1": {
        "LongName": "probability 0_1",
        "Description": "the first of two possible probabilities in outcomes for option 0"
    },
    "mag0_2": {
        "LongName": "magnitude 0_2",
        "Description": "the second of two possible magnitudes in outcomes for option 0"
    },
    "prob0_2": {
        "LongName": "probability 0_2",
        "Description": "the second of two possible probabilities in outcomes for option 0"
    },
    "mag1_1": {
        "LongName": "magnitude 1_1",
        "Description": "the first of two possible magnitudes in outcomes for option 1"
    },
    "prob1_1": {
        "LongName": "probability 1_1",
        "Description": "the first of two possible probabilities in outcomes for option 1"
    },
    "mag1_2": {
        "LongName": "magnitude 1_2",
        "Description": "the second of two possible magnitudes in outcomes for option 1"
    },
    "prob1_2": {
        "LongName": "probability 1_2",
        "Description": "the second of two possible probabilities in outcomes for option 1"
    },
    "version": {
        "Description": "version of the experiment used for collecting this data."
    },
    "reset": {
        "Description": "boolean that describes whether of not to ignore events prior to this event in the current trial.",
        "Levels": {
            "0": "so far no error in this trial since the beginning or the last error",
            "1": "error committed: disregard all events prior to this event for the current trial."
        }
    },
    "system_time_stamp": {
        "Description": "system time in microseconds as measured from an arbitrary starting point. This should be used to connect the event with the eyetracking data.",
        "Units": "microseconds"
    }
}