Using computer-generated augmented reality, the patient can see and move a virtual arm controlled by their stump.
Electric signals from the muscles in the amputated limb "talk" to the computer, allowing real-time movement.
|Amputee Ture Johanson moves his virtual hand on the computer screen|
Mr Johanson, who is 73 and lives in Sweden, lost half of his right arm in a car accident 48 years ago. Within weeks of starting on the augmented reality treatment in Max Ortiz Catalan's clinic at Chalmers University of Technology, his pain has now eased.
BBC News (Health). Read more here.