5,7-Dihydroxytryptamine5,6-DihydroxytryptamineDihydroxytryptaminesSerotonin AgentsNeuronsSerotoninFenclonineTryptaminesIproniazidRaphe NucleiBiogenic AminesSerotonin Antagonistsp-ChloroamphetamineMethyltyrosinesHydroxyindoleacetic AcidLysergic Acid DiethylamideNeurons, Afferent8-Hydroxy-2-(di-n-propylamino)tetralinBrain ChemistryReceptors, SerotoninTryptophan HydroxylaseDesipramineBiogenic MonoaminesInjections, IntraventricularMotor NeuronsDopamineBehavior, AnimalBrainNorepinephrine