Patientheque in Patients With a Psychosis

Establishment of a patient library for patients who have had a first psychotic episode and who have an "at risk" status for psychotic disorder (GRD, APS, BLIPS group) or a psychosis threshold during CAARMS administration. Samples are taken on inclusion, at 2 years, and if relapse or significant clinical event within 5 years of inclusion, on 250 patients for 10 years.

Inclusion Criteria: * Major and or minor aged 15 to 30 assessed within the CEVUP (Consultation for the Assessment of Psychological Vulnerability) and cared for at the psychiatry center as part of a first psychotic episode (Diagnosis CIM 10: F20 -F29 first hospitalization). These patients are referred by care and medico-social partners (general practitioners, school doctors, school nurses, educators, addictologists, psychiatrists * "At risk" status for psychotic disorder (GRD, APS, BLIPS group) or psychosis threshold during the CAARMS test (psychometric scale for the assessment of psychotic symptoms) * Consent of the patient or his legal guardian Exclusion Criteria: * History of psychosis for more than one year * "Not at risk" status for psychotic disorder on the CAARMS (psychometric scale for the assessment of psychotic symptomatology) * IQ\