Behavioural data: Behavioural data is stored in variables DATA (only numeric) and DATA_cell (text header + numeric data). DATA columns Exp 1, 3-6: 1-subject 2-trial number 3-task 4-tone sequence degree of acceleration (1=max accelerating, 0=isochronous, 7=max decelerating). 5-response (1=tones accelerating, 0=tones decelerating). 6-RT (secs) 7-block number DATA columns Exp 2: 1-subject 2-trial number 3-task 4-tone sequence degree of acceleration (1=max accelerating, 0=isochronous, 7=max decelerating). 5-response tones (1=tones accelerating, 0=tones decelerating). 6-response jitter (1=bar above trackers, 0=bar beneath trackers) 7-RT tones (secs) 8-mean bar position relative to trackers (3=3 pixels above, 0=centered on trackers, -3= 3 pixels beneath trackers) 9-block number Grip force data: Grip force data is stored in ACT variables. Each variable has 4 dimensions: D1=sample number D2=trial number D3=block number D4=subject number