Fig. 6.

Linear regression between average peak velocity during the task and beta-band spectral power after movement onset in the PD group. Fig. 6A and B show the linear regression for 13 patients with PD in Domain 1. Fig. 6C and D show the linear regression for 11 patients with PD in Domain 2. Fig. 6A and C are PD group off medication and Fig. 6B and D are PD group on medication.