SchizophreniaSchizophrenic PsychologySchizophrenia, ParanoidAntipsychotic AgentsPlacebo EffectSchizophrenia, DisorganizedPsychotic DisordersSchizophrenia, ChildhoodPsychiatric Status Rating ScalesDouble-Blind MethodSchizophrenia, CatatonicCognition DisordersSchizotypal Personality DisorderNeuropsychological TestsSchizophrenic LanguageBipolar DisorderRisperidoneBrief Psychiatric Rating ScaleDelusionsHallucinationsClozapineBrainTreatment OutcomePrefrontal CortexMagnetic Resonance ImagingAffective Disorders, PsychoticSensory GatingDelirium, Dementia, Amnestic, Cognitive DisordersAnalysis of VarianceHaloperidolSeverity of Illness IndexCase-Control StudiesSocial AdjustmentBenzodiazepinesGenetic Predisposition to DiseaseBrain MappingCross-Over StudiesStartle ReactionTime FactorsEndophenotypesDepressionDiagnostic and Statistical Manual of Mental DisordersFrontal LobeAttentionRisk FactorsDibenzothiazepinesFollow-Up StudiesCognitionNational Institute of Mental Health (U.S.)Image Processing, Computer-AssistedBehavioral SymptomsTemporal LobeDominance, CerebralSymptom AssessmentAffective SymptomsQuestionnairesMemory, Short-TermThinkingGyrus CinguliReaction TimePsychoses, Substance-InducedMemory DisordersElectroencephalographyCerebral CortexCatechol O-MethyltransferaseEvoked Potentials, AuditoryChronic DiseasePerceptual DisordersProspective StudiesControl GroupsPsychometricsAge of OnsetFamilyReality TestingQuality of LifeDepressive DisorderSocial PerceptionFluphenazineMood DisordersEmotionsStatistics as TopicEgoPhencyclidineAffectFunctional LateralityNeural PathwaysGenotypePolymorphism, Single NucleotideReceptors, Dopamine D2Chromosomes, Human, Pair 22DopamineMental DisordersLongitudinal StudiesSocial BehaviorCognitive TherapyMethylazoxymethanol AcetateDrug Therapy, CombinationExpressed EmotionRandomized Controlled Trials as TopicComorbidity