mpib_ecomp_dataset/events.json

{
    "StimulusPresentation": {
        "OperatingSystem": "Windows 10 - Version 1903",
        "SoftwareName": "PsychoPy",
        "SoftwareRRID": "SCR_006571",
        "SoftwareVersion": "2021.2",
        "Code": "doi:10.5281/zenodo.6411313"
    },
    "onset": {
        "Description": "onset of the event",
        "Units": "seconds"
    },
    "duration": {
        "Description": "duration of the event",
        "Units": "seconds"
    },
    "sample": {
        "Description": "Onset of the event according to the sampling scheme of the recorded modality."
    },
    "value": {
        "Description": "The TTL trigger value (=EEG marker value) associated with an event. Note that the values in the \"dual\" task are identical to those in the \"single\" task, but offset by 100. For example the value 80 occurred only in the single task, and the value 180 occurred only in the dual task, but both have the same meaning.",
        "Levels": {
            "80": "Start of the experiment",
            "180": "Start of the experiment",
            "90": "End of the experiment",
            "190": "End of the experiment",
            "1": "Start of a new trial",
            "101": "Start of a new trial",
            "2": "Offset of a fixation stimulus in a trial",
            "102": "Offset of a fixation stimulus in a trial",
            "11": "Onset of number: 1; color: blue",
            "111": "Onset of number: 1; color: blue",
            "12": "Onset of number: 2; color: blue",
            "112": "Onset of number: 2; color: blue",
            "13": "Onset of number: 3; color: blue",
            "113": "Onset of number: 3; color: blue",
            "14": "Onset of number: 4; color: blue",
            "114": "Onset of number: 4; color: blue",
            "15": "Onset of number: 5; color: blue",
            "115": "Onset of number: 5; color: blue",
            "16": "Onset of number: 6; color: blue",
            "116": "Onset of number: 6; color: blue",
            "17": "Onset of number: 7; color: blue",
            "117": "Onset of number: 7; color: blue",
            "18": "Onset of number: 8; color: blue",
            "118": "Onset of number: 8; color: blue",
            "19": "Onset of number: 9; color: blue",
            "119": "Onset of number: 9; color: blue",
            "21": "Onset of number: 1; color: red",
            "121": "Onset of number: 1; color: red",
            "22": "Onset of number: 2; color: red",
            "122": "Onset of number: 2; color: red",
            "23": "Onset of number: 3; color: red",
            "123": "Onset of number: 3; color: red",
            "24": "Onset of number: 4; color: red",
            "124": "Onset of number: 4; color: red",
            "25": "Onset of number: 5; color: red",
            "125": "Onset of number: 5; color: red",
            "26": "Onset of number: 6; color: red",
            "126": "Onset of number: 6; color: red",
            "27": "Onset of number: 7; color: red",
            "127": "Onset of number: 7; color: red",
            "28": "Onset of number: 8; color: red",
            "128": "Onset of number: 8; color: red",
            "29": "Onset of number: 9; color: red",
            "129": "Onset of number: 9; color: red",
            "3": "Onset of the response prompt",
            "103": "Onset of the response prompt",
            "30": "Participant response: No response -- timeout (after 3.0 seconds)",
            "130": "Participant response: No response -- timeout (after 3.0 seconds)",
            "31": "Participant response: 'lower' (only in \"single\" task)",
            "32": "Participant response: 'higher' (only in \"single\" task)",
            "133": "Participant response: 'blue' (only in \"dual\" task)",
            "134": "Participant response: 'red' (only in \"dual\" task)",
            "4": "Onset of feedback: correct choice",
            "104": "Onset of feedback: correct choice",
            "5": "Onset of feedback: wrong choice",
            "105": "Onset of feedback: wrong choice",
            "6": "Onset of feedback: timeout",
            "106": "Onset of feedback: timeout",
            "7": "Start of a block break",
            "107": "Start of a block break",
            "8": "End of a block break",
            "108": "End of a block break"
        }
    },
    "trial": {
        "Description": "One indexed trial counter, where a trial is a sequence 10 samples followed by a choice."
    },
    "number": {
        "Description": "The number that a subject saw at this event. Numbers are in the range 1 to 9."
    },
    "color": {
        "Description": "The color of the number that a subject saw at this event (red or blue).",
        "Levels": {
            "red": "Red color",
            "blue": "Blue color"
        }
    },
    "rt": {
        "Description": "The time it took the subject to respond after the onset of the response prompt. This may be n/a when a timeout happened (after 3.0 seconds).",
        "Units": "milliseconds"
    },
    "direction": {
        "Description": "The button (left/right) that a subject pressed (using the left/right hand respectively) to make a choice.",
        "Levels": {
            "left": "The subject pressed the left button with their left hand.",
            "right": "The subject pressed the right button with their right hand.",
            "timeout": "The subject failed to press any button within 3.0 seconds."
        }
    },
    "choice": {
        "Description": "the concrete action that the subject performed for the action type",
        "Levels": {
            "red": "The subject picked the \"red\" choice (dual task only).",
            "blue": "The subject picked the \"blue\" choice (dual task only).",
            "lower": "The subject picked the \"lower\" choice (single task only).",
            "higher": "The subject picked the \"higher\" choice (single task only).",
            "timeout": "The subject failed to press any button within 3.0 seconds."
        }
    },
    "correct": {
        "Description": "Whether or not the choice of the subject was correct. This may be n/a when the situation was ambiguous (see `ambiguous`)",
        "Levels": {
            "False": "The subject made a correct choice.",
            "True": "The subject made a false choice.",
            "timeout": "The subject failed to press any button within 3.0 seconds."
        }
    },
    "ambiguous": {
        "Description": "Whether or not the presented samples resulted in an ambiguous situation with respect to a correct choice. For example a sample mean of exactly 5 in the \"single\" task, or an identical sample mean of red and blue samples in the \"dual\" task.",
        "Levels": {
            "False": "The choice situation was not ambiguous.",
            "True": "The choice situation was ambiguous, therefore the feedback displayed to the participant after choice was random (correct/false)"
        }
    }
}