DopamineReceptors, DopamineSchizophreniaReceptors, Dopamine D2Psychotic DisordersPsychoses, Substance-InducedReceptors, Dopamine D1Dopamine AgonistsDopamine AntagonistsReceptors, Dopamine D3Dopamine Plasma Membrane Transport ProteinsDopamine AgentsAffective Disorders, PsychoticReceptors, Dopamine D5Dopamine Uptake InhibitorsProdromal SymptomsSchizophrenic PsychologyDopamine beta-HydroxylaseAntipsychotic AgentsCorpus StriatumDelusionsEarly Medical InterventionParanoid DisordersPsychiatric Status Rating ScalesHaloperidolHallucinationsQuinpiroleBenzazepinesRacloprideSchizotypal Personality DisorderNucleus AccumbensSulpirideAmphetamineSchizophrenia, ParanoidApomorphineNeostriatumHomovanillic AcidSalicylamidesLevodopaCocaineBrainBipolar DisorderRats, Sprague-DawleyDopaminergic NeuronsTyrosine 3-MonooxygenaseDelirium, Dementia, Amnestic, Cognitive DisordersMicrodialysisDopamine and cAMP-Regulated Phosphoprotein 32SpiperoneSubstantia NigraBehavior, AnimalTime FactorsVentral Tegmental AreaNeuronsCaudate NucleusAnalysis of VarianceOxidopamineMesencephalonMethamphetamineErgolinesMotor ActivityDose-Response Relationship, DrugDihydroxyphenylalanineNeuropsychological TestsPrefrontal CortexClozapineCognition Disordersalpha-MethyltyrosineDomperidoneCatechol O-MethyltransferaseSocial AdjustmentNomifensineFlupenthixolRewardSerotoninMagnetic Resonance ImagingEarly DiagnosisCentral Nervous System StimulantsBromocriptineTropanesLimbic SystemBrief Psychiatric Rating ScaleVesicular Monoamine Transport ProteinsRisperidonePutamenBasal GangliaRisk FactorsSchizophrenia, ChildhoodAge of OnsetDyskinesia, Drug-InducedStereotyped BehaviorAntiparkinson AgentsMarijuana AbuseBiogenic MonoaminesNorepinephrineButaclamolCommunity Mental Health ServicesCase-Control StudiesNerve Tissue ProteinsDextroamphetamine