Fig. 1
From: Robotics-assisted visual-motor training influences arm position sense in three-dimensional space
Experimental Setup. The system included an end-effector robotic arm and a computer screen. The participants’ hands and the robotic device were covered by a sheet of fabric (blue shadow). Participants began all reaching movements from their starting position (red sphere) and returned to this location after every reach. A target (yellow sphere) was presented on the computer screen and participants moved a cursor (green sphere) towards it. Three target locations (T0, T1, and T2) were employed (purple spheres)