Fig. 3.
Motion profiles during single trials.1. Simultaneous opposite, Simultaneous scanning, opposite directions. 2. Simultaneous same, Simultaneous scanning, same direction. 3.Alternating, Scanning with alternating hands.4. No order. lh, Left hand; rh, right hand. Curves were smoothed by a convolution with a triangular of area 1 and a base of ± two samples.