a statistical trendp = 0.08
In the movement condition the group including healthy subjects and PD OFF patients still showed a significant correlation between the two conditions in the background timing window ( p = 0.03, R 2 = 0.113) and a statistical trend in the suppression phase ( p = 0.08, R 2 = 0.08) and in the rebound phase ( p = 0.08, R 2 = 0.08).