{
  "onset": {
    "Description": "Event onset",
    "Units": "seconds"
  },
  "duration": {
    "Description": "Event duration",
    "Units": "seconds"
  },

  "event_type": {
    "Description": "Type of event",
    "Levels": {
      "S  1": "Response: button no. 1",
      "S  2": "Response: button no. 2",
      "S  3": "Response: button no. 3",
      "S  5": "Trial from F0 condition",
      "S  6": "Trial from FS condition",
      "S  7": "Trial from 00 condition",
      "S  8": "Trial from S0 condition",
      "S 10": "Start of a break",
      "S 11": "End of a mini-block",
      "S 12": "Beginning of the run"
    }
  },

  "trial_type": {
    "Description": "Type of trial",
    "Levels": {
      "stimulus": "Task stimulus",
      "response": "Response to the stimulus: 1, 2 or 3"
    }
  }

}