| { |
| "onset": { |
| "Description": "Event onset", |
| "Units": "miliseconds" |
| }, |
| "stim_file": { |
| "Description": "File of image presented. For button pressing events no info is provided (designated by [])" |
| }, |
| "trial_type": { |
| "Description": "Comprenhesive information of stimulus and responses corresponding to each event", |
| "Levels": { |
| "famous_new": "Initial presentation of famous face", |
| "famous_second_early": "Immediate repeated presentation of famous face", |
| "famous_second_late": "Delayed repeated presentation of famous face", |
| "scrambled_new": "Initial presentation of scrambled face", |
| "scrambled_second_early": "Immediate repeated presentation of scrambled face", |
| "scrambled_second_late": "Delayed repeated presentation of scrambled face", |
| "unfamiliar_new": "Initial presentation of unfamiliar face", |
| "unfamiliar_second_early": "Immediate repeated presentation of unfamiliar face", |
| "unfamiliar_second_late": "Delayed repeated presentation of unfamiliar face", |
| "right_nonsym": "Right button press to indicated less symmetric face", |
| "left_sym": "Left button press to indicated more symmetric face", |
| "left_nonsym": "Left button press to indicated less symmetric face", |
| "right_sym": "Right button press to indicated more symmetric face", |
| "boundary": "The boundary mark of each run as the run data was merged", |
| "famous": "Famous or fami;iar face", |
| "unfamiliar": "Unfamiliar face", |
| "scrambled": "Scrambled face" |
| } |
| }, |
| "event_type": { |
| "Description": "Represent the two more general types events in the experiment", |
| "Levels": { |
| "button_press": "Button pressing indicating level of symmetry of face presented", |
| "faces": "Face image presentation" |
| } |
| }, |
| "face_type": { |
| "Description": "Type of face presented" |
| }, |
| "value": { |
| "Description": "Numerical event marker", |
| "Levels": { |
| "5": "Initial presentation of famous face", |
| "6": "Immediate repeated presentation of famous face", |
| "7": "Delayed repeated presentation of famous face", |
| "13": "Initial presentation of unfamiliar face", |
| "14": "Immediate repeated presentation of unfamiliar face", |
| "15": "Delayed repeated presentation of unfamiliar face", |
| "17": "Initial presentation of scrambled face", |
| "18": "Immediate repeated presentation of scrambled face", |
| "19": "Delayed repeated presentation of scrambled face", |
| "256": "Left button press", |
| "4096": "Right button press" |
| } |
| }, |
| "event_order": { |
| "Description": "Each image is presented twice. This index represent the order of presentation of each image", |
| "Levels": { |
| "0": "Not an image. This may be a button press or a boundary", |
| "1": "First presentation of the image", |
| "2": "Second presentation of the image" |
| } |
| }, |
| "trial_dist": { |
| "Description": "Distance in trial units since the previous presentation of the same image", |
| "Units": "Trials" |
| }, |
| "time_dist": { |
| "Description": "Time since the previous presentation of the same image", |
| "Units": "seconds" |
| } |
| } |
