Skip to main content
. Author manuscript; available in PMC: 2012 Jun 11.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2011 Dec 12;20(1):58–67. doi: 10.1109/TNSRE.2011.2175488

Fig. 3.

Fig. 3

The virtual prosthesis (light) and virtual ghost (dark). The virtual ghost is controlled automatically by the computer, and serves as a postural reference for the user. When the user brings the virtual prosthesis sufficiently close to the virtual ghost, the ghost is no longer displayed, indicating to the user that they have acquired the desired target posture.