5,7-Dihydroxytryptamine5,6-DihydroxytryptamineDihydroxytryptaminesSerotonin AgentsFenclonineSerotoninTryptaminesIproniazidBiogenic AminesRaphe NucleiSerotonin Antagonistsp-ChloroamphetamineMethyltyrosinesHydroxyindoleacetic AcidLysergic Acid Diethylamide8-Hydroxy-2-(di-n-propylamino)tetralinBrain ChemistryReceptors, SerotoninDesipramineTryptophan HydroxylaseBiogenic MonoaminesInjections, IntraventricularDopamineBehavior, Animal