Efficacy of Mindfulness in PREventing Progression to Psychosis in Individuals With an Ultra High Risk for Psychosis

Inclusion Criteria: * People aged between 18 and 30 validating the criteria for UHR or PEP status on the CAARMS scale and having a social functional impact (SOFAS score below 50 or a reduction of more than 30% in the score) Exclusion Criteria: * Previous episode of schizophrenic disorder, schizoaffective disorder or bipolar disorder * Previous antipsychotic treatment for more than 12 months * Organic mental disorder or intellectual disability * Serious suicidal/homicidal risk (but admissible if this risk has been resolved) * Insufficient French language skills * Adult incapable of giving consent and not under legal protection * Protection measure (guardianship/curatorship/court supervision) or under court supervision * Person deprived of liberty by judicial or administrative decision (including forced hospitalisation) * Persons in a life-threatening emergency * Not affiliated to a social security regime