Column 1: trial number
Column 2: internal timing of trial
Column 3: coding for position of start and end location (1 is rightmost combination; 3 is leftmost combination)
Column 4: stimulus intensity (multiply by 0.00316 to convert it to peak to peak displacement in mm)
Column 5: number of flashes
Column 6: response to tactile stimulus (1 is detected; 2 is not detected)
Column 7: number of flashes seen