Efficiency of Virtual Reality Exposure Therapy in the Management of Body Dysmorphic Disorders in Female Adolescents With Anorexia Nervosa

Inclusion criteria : * Female adolescents aged 13 to 18 * with a diagnosis of anorexia nervosa of all types (including purgative and hyperphagic) according to the DSM-V * French as first language * agreed to participate in the study * parental authority holders accepting her participation in the study * affiliated to a social security system Patients will not be included in the study: * with a somatic severity criterion: * Total aphagia * Body mass index (BMI) \< 14kg/m² for those over 17 years of age, BMI \< 13.2kg/m² for those aged 15-16 and BMI \< 12.7kg/m² for those aged 13-14. * Confusion * Bradycardia \<40/min, Tachycardia * Blood pressure \< 80/50mmHg * Hypothermia \<35.5°C * Severe metabolic disorders: hypokalemia \< 2.5 mmol/l, hyponatremia \< 125mmol/l or hypernatremia \> 150 mmol/l, hypophosphoremia \< 0.5 mmol/l * Acetonuria, hypoglycemia \< 0.6g/l * Creatinine elevation \> 100micromol/l * Cytolysis \> 4N * Leuconeutropenia \<1000/mm3 * Thrombocytopenia \<6000000/mm3 * Suicide attempt in the last month before inclusion * Receiving benzodiazepine treatment outside the prescription limits. * Psychotic patients or patients with psychoactive substance addiction according to MINI KID criteria (Sheehan DV et al. Reliability and validity of the Mini International Neuropsychiatric Interview for children and adolescents (MINI Kid). J Clin Psychiatry 2010;71(3):313-326).