task-spatialpattern_events.json

{
    "onset": {
        "Description": "Onset of the event",
        "Units": "seconds"
    },
    "duration": {
        "Description": "Duration of the event",
        "Units": "seconds"
    },
    "ISI": {
        "Description": "Interval between two-pulse stimuli. Applies only to TWO-PULSE condition",
        "Units": "seconds"
    },
    "trial_type": {
        "Description": "Categorical code referring to stimulus condition",
	"Levels": {
            "107": "CRF-1 (pattern stimulus at contrast level 1)",
	    "108": "CRF-2 (pattern stimulus at contrast level 2)",
            "109": "CRF-3 (pattern stimulus at contrast level 3)",
            "110": "CRF-4 (pattern stimulus at contrast level 4)",
            "111": "CRF-5 (pattern stimulus at contrast level 5)",
            "112": "GRATING (single oriented grating, contrast level 5)",
	    "113": "PLAID (two superimposed oriented gratings, contrast level 5)",
            "114": "CIRCULAR (eight superimposed oriented gratings, contrast level 5)",
            "115": "SPARSITY-1 (pattern stimulus at density level 1)",
            "116": "SPARSITY-2 (pattern stimulus at density level 2)",
            "117": "SPARSITY-3 (pattern stimulus at density level 3)",
            "118": "SPARSITY-4 (pattern stimulus at density level 4)"
        }
    },
    "trial_name": {
        "Description": "Description of the stimulus category that was shown during this experiment (see trial_type)"
    },
    "stim_file": {
        "Description": "Name of the stimulus file that was shown during this trial of the experiment"
    },
    "sample": {
        "Description": "Stimulus onset in samples relative to the start of the run"
    }
}