Brain scans reveal clues to impulsivity in tourette syndrome

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: For all subjects: * ≥ about 18 and 65 years old * About receiving Social Security or universal health coverage or any equivalent plan * About who signed the informed consent For TS patients treated : * TS principal diagnosis, based on the DSM-5 criteria * Stable pharmacological treatment at least 4 weeks prior to study entry; * Possibility of controlling the majority tics of the upper part of the body lying down for at least 10 minutes (frequency tics on YGTSS \<3). For TS patients untreated: * TS principal diagnosis, based on the DSM-5 criteria * No psychotropic treatments (neuroleptics, antidepressants or anxiolytics) mentioned at the time of inclusion. * Possibility of controlling the majority tics of the upper part of the body lying down for at least 10 minutes (frequency tics on YGTSS \<3). In healthy volunteers: * Normal neurological examination (evaluation MINI). * No regular pharmacological treatment with the exception of birth control pills for women Exclusion Criteria: For all patients TS: * Age \<18 years. * Presence One of the following diagnoses Axis I DSM-5: schizophrenic disorders or current psychotic episode or in the past, bipolar disorder, current major depressive disorder autism spectrum. * Abus Psychotropic substance dependency or a psychotropic substance, including alcohol (except nicotine). * Support Regular / chronic drugs and other xenobiotics tropic psychotropic. * Support Treatment with benzodiazepines in the 4 months prior to study entry. -Patient Subject to a measure of legal protection (guardianship, curatorship or safeguard justice). -No private freedom by administrative decision or justice. * No Unable to consent and are not subject to a protection measure. * Participation In other biomedical research or subjected to an exclusion period for another search. * Problems General understanding. * Weight Of more than 150 kg. * Inability To maintain an upper portion of movement of the body lying down for at least 10 minutes (frequency tics on YGTSS\> 3). In healthy volunteers (HV): * psychiatric disorders, cognitive impairment assessed by the MINI scale. * About not being able to understand the tasks * age \<18 years. * No Subject to a measure of legal protection (guardianship, curatorship or safeguard justice). * Participation In other biomedical research or subjected to an exclusion period for another search. * Not Unable to consent and are not subject to a protection measure. * Not private freedom by administrative decision or court For TS patients (treated and untreated) and HV * relative to MRI 3Tesla : pacemaker, cardiac cell or neural stimulator ferromagnetic surgical clips body intraocular or intracranial metallic foreign cochlear implant artificial heart valve or arterial metal surgical equipment metallic material that could concentrate the radio frequency pulses pregnant women, women in labor or lactating aneurism Standing up the eyelids vascular malformation of the brain * Topic not wishing to be informed of a clinically significant abnormality discovered during the realization of MRI