Brain dysfunction in gait disorders of Caribbean atypical Parkinsonism and progressive supranuclear palsy patients: A comparative study oleh Marie-Laure Welter, Alexandre Vasseur, Regine Edragas, Hugo Chaumont, Fanny Pineau, Graziella Mangone, Claire Olivier, Isabelle Leber, Sophie Rivaud-Pechoux, Stéphane Lehericy, Cecile Gallea, Lydia Yahia-Cherif, Annie Lannuzel