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