Psychotic DisordersSchizophreniaCatatoniaAffective Disorders, PsychoticMilieu TherapySchizophrenia, ParanoidHallucinationsAntipsychotic AgentsSchizophrenic PsychologyPsychiatric Status Rating ScalesPsychoses, Substance-InducedDelusionsParanoid DisordersBipolar DisorderSchizotypal Personality DisorderProdromal SymptomsSchizophrenia and Disorders with Psychotic FeaturesDiagnostic and Statistical Manual of Mental DisordersRisperidoneMental DisordersHospitals, PsychiatricDepressive Disorder, Major