Vincent Planche1,2, Nicolas Villain3,4. 1. University of Bordeaux, CNRS, IMN, UMR 5293, Bordeaux, France. 2. Centre Mémoire Ressources Recherches, Pôle de Neurosciences Cliniques, CHU de Bordeaux, Bordeaux, France. 3. AP-HP Sorbonne Université, Hôpital Pitié-Salpêtrière, Department of Neurology, Institute of Memory and Alzheimer's Disease, Paris, France. 4. Institut du Cerveau - ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France.