Role of Basal Ganglia and Thalamus in Perceptual Consciousness and Metacognition

Inclusion Criteria: * Major patient in need of brain stimulation therapy for motor disorders (Parkinson's disease, tremor, dystonia) or psychiatric disorders (OCD). * Outpatient or inpatient follow-up * Fluent in French and able to understand the study procedures * informed consent * Patient affiliated to social security * Written agreement to participate in the patient's study * Intellectual abilities compatible with the performance of cognitive or motor tasks Exclusion Criteria: * Persons referred to in Articles L1121-5 to L1121-8 of the CSP (pregnant women, parturient women, mothers, etc.) who is breastfeeding, person deprived of liberty by judicial or administrative decision, person subject to a legal protection measure * Patients in whom transient cessation of stimulation is not tolerated * Subject in period of exclusion from another study * Subject cannot be contacted in case of emergency * Subject under administrative or judicial supervision