The psychopathological spectrum of Gilles de la Tourette syndrome

► Gilles de la Tourette syndrome is a quintessentially neuropsychiatric condition. ► The vast majority of patients present with both motor and behavioural symptoms. ► Specific obsessive-compulsive symptoms can accompany the motor and vocal tics. ► Attention-deficit and hyperactivity disorder is a common co-morbidity in children. ► Co-morbid disorders have important implications for the management of patients.