5,7-Dihydroxytryptamine5,6-DihydroxytryptamineDihydroxytryptaminesSerotonin AgentsFenclonineSerotoninTryptaminesIproniazidBrain ChemistryBiogenic AminesRaphe NucleiSerotonin Antagonistsp-ChloroamphetamineMethyltyrosinesHydroxyindoleacetic AcidLysergic Acid Diethylamide8-Hydroxy-2-(di-n-propylamino)tetralinReceptors, SerotoninTryptophan HydroxylaseDesipramineBiogenic MonoaminesInjections, IntraventricularBrain InjuriesBrainBrain NeoplasmsBehavior, AnimalDopamineNeuronsBrain Mapping