Fig. 4

Distinct patterns of USEA electrodes with firing rates correlated to movement position (across two electrode arrays, median array (m) and ulnar array (u)) are apparent for different movements (i.e. unique sub-populations of axons fire with specific movement efforts). Shown here are the patterns of the firing rates during movement cues for 2 DOFs (middle finger and wrist pitch) for S4. To see this figure in color, go online