Inclusion Criteria:  Conseting adult patients with social insurance Wilson disease with dystonic hyperkinetic dysarthria Stable pharmacological therapy n the last 6 monts Brain MRI in the previous 6 months, without additional brain lesion Patients that did not receive botulinium toxin in the previous 4 months  Exclusion Criteria:  Incapacitated adult Previous mdedical history of epilepsia Pregnancy or breastfeeding Brain lesion outside basal ganglia on brain MRI Patient consider by the investigator not able to sustain an 30 minutes rTMS session without moving Vocal chord lesion Previous history of laryngeal surgery rTMS contra indication