Marc Gauthier, 63, the first patient with a neuroprosthetic, programmed to stimulate his spinal cord, to correct walking disorders caused by Parkinson’s disease, demonstrates his disorder when the device is switched off with the help of Eduardo Martin Moraud Head of Parkinson’s Research at .NeuroRestore and Camille Varescon, Clinical Research Engineer during a media presentation at the CHUV in Lausanne, Switzerland, November 2, 2023. REUTERS/Denis Balibouse