An amputee with phantom pain reported some relief from an experimental therapy that used a virtual reality arm, researchers from Chalmers University of Technology in Sweden reported in the journal Frontiers in Neuroscience. In the case study, electrodes recorded muscle signals and computer software converted them to virtual arm movements that were superimposed over a video of the patient, allowing him to use the virtual arm to perform tasks. The man found that he went from feeling as if his fist was clenched to feeling that his hand was open and relaxed.

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