Fig. 4From: Virtual reality-based action observation facilitates the acquisition of body-powered prosthetic control skillsImitation of movement during action observation (AO). a. AO scene for VR1 and VR3, who imitated the motion of the video while observing the 3D VR video. b. AO scene of Tablet1 and Tablet3, who imitated the motion of the video while observing the 2D video on a tabletBack to article page