Receptors, NicotinicReceptors, SerotoninSerotoninSerotonin Receptor AgonistsReceptor, Serotonin, 5-HT2APresynaptic TerminalsSerotonin AntagonistsReceptor, Serotonin, 5-HT1AReceptors, Serotonin, 5-HT2Serotonin 5-HT2 Receptor AntagonistsReceptor, Serotonin, 5-HT1BReceptor, Serotonin, 5-HT2CReceptor, Serotonin, 5-HT2BReceptors, PresynapticSerotonin Plasma Membrane Transport ProteinsReceptors, Serotonin, 5-HT3MethysergideReceptors, Serotonin, 5-HT1Serotonin AgentsSerotonin 5-HT1 Receptor AgonistsSerotonin Uptake InhibitorsReceptors, Serotonin, 5-HT4KetanserinLysergic Acid DiethylamideSerotonin 5-HT2 Receptor AgonistsSerotonin 5-HT1 Receptor AntagonistsSynaptic TransmissionBuspironeMethiothepinSpiperoneSynapsesRats, Sprague-DawleyTryptophan HydroxylaseSerotonin 5-HT3 Receptor Antagonists8-Hydroxy-2-(di-n-propylamino)tetralinCyproheptadineSerotonergic NeuronsReceptors, DopamineNeuronsDose-Response Relationship, DrugReceptor, Serotonin, 5-HT1DDihydroergocristineNeurotransmitter AgentsAmphetaminesExcitatory Amino Acid AntagonistsExcitatory Postsynaptic PotentialsSerotonin SyndromeElectric StimulationRadioligand AssayHippocampusDopamine AntagonistsPiperazinesPiperidines5-HydroxytryptophanRitanserinQuipazineReceptors, Biogenic AmineFencloninePatch-Clamp TechniquesRaphe NucleiFenfluramineNorfenfluramineRats, WistarNeural InhibitionBrainGABA AntagonistsErgolinesBehavior, AnimalSynaptic VesiclesTryptaminesDopamineCalciumFluoxetineHallucinogensButyrophenonesPyridinesHormone AntagonistsAction PotentialsBiguanidesGlutamic AcidOctopamineNerve Tissue ProteinsAntipsychotic Agentsgamma-Aminobutyric Acid2,5-Dimethoxy-4-MethylamphetamineInterneuronsBinding, CompetitiveIndolesNarcotic AntagonistsCells, CulturedReceptors, Dopamine D2Neurokinin-1 Receptor AntagonistsNeuromuscular JunctionClozapineTime FactorsMuscarinic Antagonists5-MethoxytryptamineBiogenic MonoaminesNeuronal PlasticitySpinal Cord