ApomorphineDopamine AgonistsReceptors, DopamineHaloperidolPiribedilEmeticsPenile ErectionPimozideStereotyped BehaviorDopamine AntagonistsStartle ReactionLevodopaAntiparkinson AgentsDopamineReceptors, Dopamine D2CatalepsyTranquilizing AgentsCarbidopaSensory GatingHydroxydopaminesYawningQuinpiroleParkinson DiseaseAdministration, SublingualDopamine AgentsParkinson Disease, SecondaryDomperidone2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineReceptors, Dopamine D1OxidopamineErgolinesBis(4-Methyl-1-Homopiperazinylthiocarbonyl)disulfideAmphetamineMotor ActivityHarmineSubstantia NigraCorpus StriatumBehavior, AnimalPenisReceptors, Dopamine D3Infusion PumpsBenzazepinesDyskinesia, Drug-InducedSulpirideSpiperoneErectile DysfunctionLisurideInjections, SubcutaneousFlupenthixolDose-Response Relationship, DrugRats, Sprague-Dawley