{
  "participant_id": {
    "Description": "unique participant identifier"
  },
  "age": {
    "Description": "age of the participant in years"
  },
  "sex": {
    "Description": "sex of the participant: m - male, f - female"
  },
  "hand": {
    "Description": "dominant hand: l - left, r - right, b - ambidextrous"
  },
  "eye": {
    "Description": "dominant eye: l - left, r - right"
  },
  "NASA_cog_1": {
    "Description": "NASA Task Load Index: Mental Demand scale; administered after 3 blocks of 18 trials"
  },
  "NASA_phys_1": {
    "Description": "NASA Task Load Index: Physical Demand scale; administered after 3 blocks of 18 trials"
  },
  "NASA_speed_1": {
    "Description": "NASA Task Load Index: Temporal Demand scale; administered after 3 blocks of 18 trials"
  },
  "NASA_perf_1": {
    "Description": "NASA Task Load Index: Overall Performance scale; administered after 3 blocks of 18 trials"
  },
  "NASA_effort_1": {
    "Description": "NASA Task Load Index: Effort scale; administered after 3 blocks of 18 trials"
  },
  "NASA_dissap_1": {
    "Description": "NASA Task Load Index: Frustration Level scale; administered after 3 blocks of 18 trials"
  },
  "NASA_cog_2": {
    "Description": "NASA Task Load Index: Mental Demand scale; administered after 6 blocks of 18 trials"
  },
  "NASA_phys_2": {
    "Description": "NASA Task Load Index: Physical Demand scale; administered after 6 blocks of 18 trials"
  },
  "NASA_speed_2": {
    "Description": "NASA Task Load Index: Temporal Demand scale; administered after 6 blocks of 18 trials"
  },
  "NASA_perf_2": {
    "Description": "NASA Task Load Index: Overall Performance scale; administered after 6 blocks of 18 trials"
  },
  "NASA_effort_2": {
    "Description": "NASA Task Load Index: Effort scale; administered after 6 blocks of 18 trials"
  },
  "NASA_dissap_2": {
    "Description": "NASA Task Load Index: Frustration Level scale; administered after 6 blocks of 18 trials"
  },
  "NASA_cog_3": {
    "Description": "NASA Task Load Index: Mental Demand scale; administered after 9 blocks of 18 trials"
  },
  "NASA_phys_3": {
    "Description": "NASA Task Load Index: Physical Demand scale; administered after 9 blocks of 18 trials"
  },
  "NASA_speed_3": {
    "Description": "NASA Task Load Index: Temporal Demand scale; administered after 9 blocks of 18 trials"
  },
  "NASA_perf_3": {
    "Description": "NASA Task Load Index: Overall Performance scale; administered after 9 blocks of 18 trials"
  },
  "NASA_effort_3": {
    "Description": "NASA Task Load Index: Effort scale; administered after 9 blocks of 18 trials"
  },
  "NASA_dissap_3": {
    "Description": "NASA Task Load Index: Frustration Level scale; administered after 9 blocks of 18 trials"
  },
    "EEG_excluded": {
    "Description": "yes - no data available for this modality, no - data available"
  },
    "ECG_excluded": {
    "Description": "yes - no data available for this modality, no - data available"
  },
    "pupil_excluded": {
    "Description": "yes - no data available for this modality, no - data available"
  },
    "behavior_excluded": {
    "Description": "yes - no data available for this modality, no - data available"
  }
}