Inclusion Criteria:  Patients hospitalized in psychiatry with mental disorders lasting for more than 6 months with an EGF score on the Global Evaluation of Psychosocial Functioning scale of between 31 and 60 at the time of inclusion.  Exclusion Criteria:  acute psychiatric crisis severe comorbidities (such as mental retardation, mental deterioration) which could invalidate informed consent or limit patient compliance with the study protocol. medical contraindication to equine-assisted therapy (allergy, immunocompromised patients) pregnancy no affiliation to a social security scheme deprivation of liberty by a judicial decision wardship horse phobia