Gregoire Courtine, professor of neuroscience at the Swiss Federal Institute of Technology (EPFL) talks with Marc Gauthier, 63, the first patient with a neuroprosthetic, programmed to stimulate his spinal cord, to correct walking disorders caused by Parkinson’s disease, next to and Jocelyne Bloch, neurosurgeon and professor at the Lausanne University Hospital (CHUV) and Eduardo Martin Moraud Head of Parkinson research at .NeuroRestore during a media presentation in Lausanne, Switzerland, November 2, 2023. REUTERS/Denis Balibouse