{
    "age":{
        "Description": "age of the participant",
        "Units": "years"
    },
    "sex": {
        "Description": "sex of the participant as reported by the participant",
        "Levels": {
            "M": "male",
            "F": "female"
        }
    },
    "trainingSuccess": {
        "Description": "RIII reflex size during application of cognitive strategy in the last training session. Smaller values = more successful",
        "Units": "percent of control condition"
    },
    "fMRI.1": {
        "Description": "Session folder containing the images of the first (pre-training) task-based fMRI session",
        "Levels": {
            "1": "ses-01",
            "2": "ses-02"
        }
    },
    "fMRI.2": {
        "Description": "Session folder containing the images of the second (post-traiing) task-based fMRI session",
        "Levels": {
            "2": "ses-02",
            "3": "ses-03",
            "4": "ses-04"
        }
    },
    "MRIonset.1": {
        "Description": "fMRI image for which t=0s in the first (pre-training) fMRI session. Previous image volumes were discarded in analysis",
        "Units": "volumes"
    },
    "MRIonset.2": {
        "Description": "fMRI image for which t=0s in the second (post-training) fMRI session. Previous image volumes were discarded in analysis",
        "Units": "volumes"
    },
    "rs_dwi.1": {
        "Description": "Session folder containing the pre-training rsfMRI and DWI images",
        "Levels": {
            "1": "ses-01",
            "2": "ses-02"
        }
    },
    "rs_dwi.2": {
        "Description": "Session folder containing the post-training rsfMRI and DWI images",
        "Levels": {
            "2": "ses-02",
            "3": "ses-03",
        }
    },
}