DopamineReceptors, Dopamine D2RacloprideDopamine AntagonistsReceptors, Dopamine D1Dopamine AgonistsReceptors, Dopamine D3Receptors, DopamineSalicylamidesalpha-MethyltyrosineCorpus StriatumDomperidoneDopamine AgentsApomorphineBenzazepinesSulpirideDopamine Uptake InhibitorsCarbon RadioisotopesPutamenDopamine Plasma Membrane Transport ProteinsHaloperidolNeostriatumPositron-Emission TomographyOxidopamineTyrosine 3-MonooxygenaseClozapineBasal Ganglia DiseasesPyrrolidines2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineReceptors, Dopamine D5BrainDopamine beta-HydroxylaseRats, Sprague-DawleyTomography, Emission-ComputedNeuronsQuinpiroleNucleus AccumbensCocaineLevodopaAmphetamineDopaminergic NeuronsHomovanillic AcidDopamine and cAMP-Regulated Phosphoprotein 32MicrodialysisSpiperoneSubstantia NigraVentral Tegmental AreaErgolinesMesencephalonCaudate NucleusBehavior, AnimalDihydroxyphenylalanineNomifensineFlupenthixolMotor ActivityTropanesBromocriptineVesicular Monoamine Transport ProteinsRewardMethamphetamineBiogenic MonoaminesButaclamolSerotoninDose-Response Relationship, DrugParkinsonian DisordersPrefrontal CortexNorepinephrineCentral Nervous System StimulantsBasal GangliaCatecholaminesReserpineAntiparkinson AgentsStereotyped BehaviorAntipsychotic AgentsMedial Forebrain Bundle1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineParkinson Disease, SecondaryPergolideNerve Tissue ProteinsBrain ChemistryDextroamphetamineCarbidopaLimbic SystemSelf AdministrationSynaptic TransmissionConditioning, OperantCatechol O-MethyltransferaseHydroxydopaminesSynaptosomesBenztropineDyskinesia, Drug-InducedCatalepsyAromatic-L-Amino-Acid DecarboxylasesAnalysis of VarianceOctopamineCocaine-Related DisordersTyramineMethylphenidatePimozideElectrochemical Techniques