3,4-Dihydroxyphenylacetic AcidDopamineHomovanillic AcidPhenylacetatesBiogenic MonoaminesHydroxyindoleacetic AcidHomogentisic AcidDihydroxyphenylalanineCycloparaffinsCorpus StriatumBiogenic AminesLevodopaReceptors, Dopamine D2CatecholsBenserazideNomifensineMicrodialysisCatecholaminesBrain ChemistryVanilmandelic AcidMethoxyhydroxyphenylglycolReceptors, Dopamine D1Tyrosine 3-MonooxygenaseHaloperidolSerotoninPargylineDialysisMonoamine Oxidase InhibitorsDopamine AgonistsMonoamine OxidaseDopamine AntagonistsNorepinephrineProbenecidChromatography, High Pressure LiquidLobelineReceptors, DopamineNucleus AccumbensDopamine AgentsNeostriatumOxidopamineReceptors, Dopamine D3Aromatic-L-Amino-Acid DecarboxylasesTyramineSubstantia NigraElectrochemistryReserpineHypothalamusRats, Sprague-DawleyDopamine Plasma Membrane Transport ProteinsMethamphetamineRats, Inbred StrainsBrainEpinephrineRats, WistarNeurotransmitter AgentsExtracellular SpaceMotor ActivityReceptors, Dopamine D5Behavior, AnimalDopamine Uptake InhibitorsParkinson DiseaseDopamine beta-HydroxylaseDose-Response Relationship, DrugQuinpirole