Fig. 2From: Tactile feedback for relief of deafferentation pain using virtual reality system: a pilot studyReaching action. Participants tried to touch a target object with the virtual affected arm displayed on the left side in the virtual environment, which is operated by the real intact arm. The virtual intact arm moved mirror-symmetrically and was displayed translucently on the right side. Images in the virtual environment were changed in accordance with the head angleBack to article page