ApomorphineDopamine AgonistsReceptors, DopamineHaloperidolPiribedilEmeticsPenile ErectionLevodopaPimozideStereotyped BehaviorAntiparkinson AgentsDopamine AntagonistsStartle ReactionDopamineReceptors, Dopamine D2CatalepsyCarbidopaTranquilizing AgentsParkinson DiseaseSensory GatingHydroxydopaminesYawningQuinpiroleDopamine AgentsAdministration, SublingualParkinson Disease, SecondaryDomperidone2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineReceptors, Dopamine D1OxidopamineMotor ActivityErgolinesBis(4-Methyl-1-Homopiperazinylthiocarbonyl)disulfideAmphetamineHarmineBehavior, AnimalDyskinesia, Drug-InducedCorpus StriatumSubstantia NigraInfusion PumpsPenisReceptors, Dopamine D3BenzazepinesRats, Sprague-DawleyLisurideDose-Response Relationship, DrugSulpirideTime FactorsInjections, SubcutaneousSpiperoneErectile DysfunctionFlupenthixolBromocriptine