Raphe NucleiSerotoninCell NucleusSerotonergic NeuronsTryptophan Hydroxylase8-Hydroxy-2-(di-n-propylamino)tetralinReceptor, Serotonin, 5-HT1AReceptors, Serotonin, 5-HT1Serotonin Receptor AgonistsReceptors, SerotoninSerotonin Antagonists5,7-DihydroxytryptamineNeuronsSerotonin 5-HT1 Receptor AgonistsBrain StemSerotonin AgentsRats, Sprague-Dawley5,6-DihydroxytryptamineAutoreceptorsSerotonin 5-HT1 Receptor AntagonistsNucleus AccumbensReceptors, Corticotropin-Releasing HormoneHelplessness, LearnedLocus CoeruleusMicroinjectionsHydroxyindoleacetic AcidNeural PathwaysMedulla OblongataSerotonin Plasma Membrane Transport ProteinsMicrodialysisProto-Oncogene Proteins c-fosFenclonineCorticotropin-Releasing HormoneVesicular Glutamate Transport ProteinsBehavior, AnimalReceptor, Serotonin, 5-HT1BDominance-SubordinationSolitary NucleusRats, WistarThalamic NucleiPiperazinesSerotonin Uptake InhibitorsAutoradiographyp-ChloroamphetamineBiogenic MonoaminesPyridinesFluoxetinePonsCatsCochlear NucleusMesencephalonSerotonin 5-HT2 Receptor AgonistsBrainElectric StimulationStilbamidinesImmunohistochemistryCerebellar NucleiTilidineGABA AgonistsCinanserinSeptal NucleiActive Transport, Cell NucleusParaventricular Hypothalamic NucleusAfferent PathwaysReceptors, Serotonin, 5-HT2GABA-B Receptor AgonistsArcuate NucleusCaudate NucleusReceptor, Serotonin, 5-HT2CSynaptic TransmissionMetergolineAmino Acid Transport Systems, AcidicReceptor, Galanin, Type 2GABA-A Receptor AgonistsSuprachiasmatic NucleusMediodorsal Thalamic NucleusHypothalamusAllylglycineEfferent PathwaysAction PotentialsElectroshockReceptor, Serotonin, 5-HT2ADrug Administration RoutesMuscimolAnatomy, RegionalProsencephalonBrain ChemistryRed NucleusSubstantia Innominatagamma-Aminobutyric AcidTrigeminal NucleiParoxetineGABA AntagonistsSubthalamic NucleusRats, Long-EvansSeptum of BrainTime FactorsMedial Forebrain BundleNeural InhibitionDopamine