1 Behavior and Basal Ganglia Research Unit (EA4712), University of Rennes 1, Rennes, France; Department of Neurology, Rennes University Hospital, Rennes, France; Institut des Neurosciences Cliniques de Rennes, Rennes, France. Electronic address: marc.verin@chu-rennes.fr.
2 Institut des Neurosciences Cliniques de Rennes, Rennes, France; INSERM U1099, LTSI, University of Rennes 1, Rennes, France.