ApomorphineCocaineDopamine AgonistsCocaine-Related DisordersReceptors, DopamineDopamine Uptake InhibitorsHaloperidolDopamine AntagonistsPiribedilDopamineSelf AdministrationCrack CocainePenile ErectionEmeticsStereotyped BehaviorReceptors, Dopamine D2Administration, OralPimozideDose-Response Relationship, DrugStartle ReactionRats, Sprague-DawleyBehavior, AnimalLevodopaMotor ActivityAntiparkinson AgentsNucleus AccumbensCatalepsyQuinpiroleAdministration, SublingualInjections, IntravenousAmphetamineCorpus StriatumTranquilizing AgentsCarbidopaInjections, SubcutaneousDopamine AgentsTime FactorsDrug Administration RoutesConditioning, OperantYawningSensory GatingReceptors, Dopamine D3HydroxydopaminesBenzazepinesRats, WistarDrug Administration Schedule2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineParkinson DiseaseDomperidoneOxidopamineParkinson Disease, SecondaryDrug InteractionsReceptors, Dopamine D1ErgolinesInfusion PumpsSubstantia NigraBis(4-Methyl-1-Homopiperazinylthiocarbonyl)disulfideFlupenthixolReinforcement (Psychology)SulpirideHarmineBehavior, AddictiveBrainPenisDisease Models, AnimalDyskinesia, Drug-InducedRats, Inbred StrainsDrug-Seeking BehaviorReinforcement ScheduleLisurideInjections, IntraventricularMethamphetamineRats, Long-EvansInjectionsSpiperoneAnalysis of VarianceAdministration, IntranasalBromocriptineAntipsychotic AgentsErectile DysfunctionDextroamphetamineInjections, IntraperitonealUnited States Food and Drug AdministrationExtinction, PsychologicalConditioning (Psychology)NarcoticsMetoclopramideSubstance Withdrawal SyndromeScopolamine HydrobromideHeroinRacloprideVentral Tegmental AreaBerberine AlkaloidsDopamine Plasma Membrane Transport ProteinsPsychoses, Substance-Induced