Repetitive behaviours (RB) in patients with Gilles de la Tourette syndrome (GTS) are frequent. However, a controversy persists whether they are manifestations of obsessive-compulsive disorder (OCD) or correspond to complex tics.
Centre d'Investigation Clinique INSERM CIC 9503, Pôle des Maladies du Système Nerveux, Assistance Publique-Hôpitaux de Paris, Groupe Hospitalier Pitié-Salpêtrière, Université Pierre et Marie Curie-Paris 6, Paris, France.