SchizophreniaCannabisMarijuana AbuseSchizophrenic PsychologyMarijuana SmokingSchizophrenia, ParanoidAntipsychotic AgentsDronabinolPsychotic DisordersSchizophrenia, DisorganizedSchizophrenia, ChildhoodPsychiatric Status Rating ScalesSchizophrenia, CatatonicCannabidiolCannabinoidsSchizotypal Personality DisorderPsychoses, Substance-InducedNeuropsychological TestsCognition DisordersSchizophrenic LanguageHallucinationsBipolar DisorderDelusionsRisperidoneClozapineBrief Psychiatric Rating ScalePrefrontal CortexBrainMagnetic Resonance ImagingAffective Disorders, PsychoticSensory GatingDiagnostic and Statistical Manual of Mental DisordersSocial AdjustmentDelirium, Dementia, Amnestic, Cognitive DisordersCannabinolCase-Control StudiesHaloperidolAnalysis of VarianceGenetic Predisposition to DiseaseAge of OnsetSubstance-Related DisordersBrain MappingCatechol O-MethyltransferaseStreet DrugsBenzodiazepinesAttentionSubstance Withdrawal SyndromeParanoid DisordersEndophenotypesStartle ReactionControl GroupsDiseases in TwinsPerceptual DisordersTemporal LobeFrontal LobeHallucinogensCognitionImage Processing, Computer-AssistedNational Institute of Mental Health (U.S.)Receptor, Cannabinoid, CB1Memory, Short-TermPsychotropic DrugsGyrus CinguliDominance, CerebralRisk FactorsFamilySubstance Abuse DetectionDibenzothiazepinesReaction TimeSocial EnvironmentMemory DisordersEvoked Potentials, AuditoryCerebral CortexMental DisordersThinkingDiagnosis, Dual (Psychiatry)Psychomotor PerformanceReality TestingProdromal SymptomsElectroencephalographyPolymorphism, Single NucleotideReceptors, Dopamine D2Neural PathwaysComorbidityGenotypeFunctional LateralitySocial PerceptionDopaminePhencyclidineInterview, PsychologicalInhibition (Psychology)EgoFluphenazineChromosomes, Human, Pair 22Executive FunctionStatistics as TopicSiblingsSeverity of Illness IndexMethylazoxymethanol AcetateLongitudinal Studies