Emotional Lived in Patients Suffering From Psychogenic Nonepileptic Seizures : Study by Functional Magnetic Resonance Imaging

Common Inclusion Criteria: * Female, * Right-handed * Affiliation to the French social security system, * Informed signing of the study consent. Specific Inclusion Criteria for PNES group : * PNES diagnosed by a neurologist specialized in epilepsy, based on clinical symptoms analysis and video-EEG recording, * Absence of concomitant epilepsy. Specific Inclusion Criteria for PTSD group : PTSD diagnosed by a psychiatrist, based on clinical symptoms as recorded in DSM5 (Diagnostic and Statistical Manual of Mental Disorders). Specific Inclusion Criteria for healthy controls : Healthy controls will be paired up with patients on age and level of schooling criteria. Exclusion Criteria: common criteria for all groups: * Neurological history or comorbidity (epilepsy included), * Current neurological treatment, * Posology change or introduction of psychoactive treatment dating back to less than a month, * Psychotic comorbidity (schizophrenia), * Addiction history apart for smoking, * History of head trauma, * Mental retardation, * Being the subject of articles L.1121-5 to L.1121-8 and L1122-1-2 of the French Code of Public Health (i.e. being a not responsible adult), * Lack of French language proficiency or inability to understand instructions, * Uncorrected visual impairment, * Any contraindication to MRI (pacemaker, ferromagnetic foreign body, claustrophobia, etc.). Specific exclusion Criteria for PNES group : Diagnosis of PNES challenged or denied by the patient. Specific exclusion Criteria for PTSD group : * Diagnosis of PTSD challenged or denied by the patient, current or history of functional neurological symptom disorder, * History of PNES (conversion disorder). Specific exclusion Criteria for healthy controls : * History of PTSD, * History of PNES (conversion disorder).