TaskFile_headers_CIMAQ_memory.json

var taskFile_headers_CIMAQ_memory = {
  "onset":{
    "column_index": 0,
    "data_type": "float",
    "description":"trial onset time (when image appears), in seconds, from scan onset"
  },
  "duration":{
    "column_index": 1,
    "data_type": "float",
    "description":"trial duration in seconds (excluding inter-stimulus-interval)"
  },
  "offset":{
      "column_index": 2,
      "data_type": "float",
      "description":"trial offset time (when image disappears), in seconds, from scan onset"
    },
    "trial_number":{
      "column_index": 3,
      "data_type": "integer",
      "description":"trial number in chronological order across conditions (encoding and control)"
    },
    "trial_type":{
      "column_index": 4,
      "data_type": "string",
      "description":"experimental condition; 'Enc' = encoding task (3s of viewing a novel
      image, with a button press to acknowledge viewing); 'CTL'= control task (3s of
      viewing a grey image, with button press to acknowledge viewing)"
    },
    "response":{
      "column_index": 5,
      "data_type": "float",
      "description":"button pressed in response to viewing the stimulus image (1 = pressed,
      0 or NaN = no response given)"
    },
    "response_time":{
      "column_index": 6,
      "data_type": "float",
      "description":"reaction time (from trial onset) for the button press, in seconds"
    },
    "stim_id":{
      "column_index": 7,
      "data_type": "string",
      "description":"identifying number associated with each stimulus image used to identify
      specific images across different raw output files"
    },
    "stim_file":{
      "column_index": 8,
      "data_type": "string",
      "description":"path to the stimulus image in the data directory"
    },
    "stim_category":{
      "column_index": 9,
      "data_type": "string",
      "description":"image category, from the following 7 : kitchen, animal,
      food, fruit, vegie, musical, sporting"
    },
    "stim_name":{
      "column_index": 10,
      "data_type": "string",
      "description":"descriptor of the object depicted in the stimulus image"
    },
    "recognition_accuracy":{
      "column_index": 11,
      "data_type": "integer",
      "description":"1 = image was recognized as old in the post-scan memory test;
      0 = image was not recognized (mistaken as new)"
    },
    "recognition_responsetime":{
      "column_index": 12,
      "data_type": "float",
      "description":"time (in seconds) taken by participant to provide recognition
      response (answer whether the image was old or new), from trial onset"
    },
    "position_correct":{
      "column_index": 13,
      "data_type": "integer",
      "description":"position (quadrant) of the image on the screen during in-scan encoding;
      5 = bottom left, 6 = bottom right, 8 = top left, 9 = top right"
    },
    "position_response":{
      "column_index": 14,
      "data_type": "integer",
      "description":"position (quadrant) where the participant remembered the image to be
      shown in the scanner. 5 = bottom left, 6 = bottom right, 8 = top left, 9 = top right
      During the post-scan memory test, position was probed if and only if
      the participant categorized an image as 'old' (previously seen in scanner), whether it was
      previously seen (old) or not (new)"
    },
    "position_accuracy":{
      "column_index": 15,
      "data_type": "integer",
      "description":"indicates whether the in-scan stimulus position (quadrant) was remembered
      correctly during the post-scan memory test; -1 = control condition, 0 = missed trial
      (image was not recognized post-scan), 1 = image was recognized but the wrong position was remembered,
      2 = the image was recognized in the correct position"
    },
    "position_responsetime":{
      "column_index": 16,
      "data_type": "float",
      "description":"time (in seconds) taken by participants to provide the in-scan position (quadrant)
      of an image they perceived as old (previously shown in the scanner), from trial onset"
    }
};