SerotoninRaphe NucleiReceptor, Serotonin, 5-HT1AReceptors, SerotoninSerotonergic NeuronsTryptophan HydroxylaseSerotonin Receptor AgonistsReceptors, Serotonin, 5-HT1Serotonin Antagonists8-Hydroxy-2-(di-n-propylamino)tetralinSerotonin Plasma Membrane Transport ProteinsSerotonin Uptake InhibitorsReceptor, Serotonin, 5-HT2ASerotonin AgentsReceptor, Serotonin, 5-HT1BSerotonin 5-HT1 Receptor AgonistsReceptor, Serotonin, 5-HT2CReceptors, Serotonin, 5-HT2Serotonin 5-HT1 Receptor AntagonistsSerotonin 5-HT2 Receptor AgonistsAutoreceptorsReceptor, Serotonin, 5-HT2B5,7-DihydroxytryptamineHydroxyindoleacetic AcidNeuronsRats, Sprague-DawleyHelplessness, LearnedSerotonin 5-HT2 Receptor AntagonistsSerotonin SyndromeReceptors, Corticotropin-Releasing HormoneLocus CoeruleusFluoxetineFenclonineReceptors, Serotonin, 5-HT3Behavior, AnimalCitalopramPiperazinesCorticotropin-Releasing HormoneMicrodialysisReceptor, Galanin, Type 2Biogenic MonoaminesBrain StemReceptors, Serotonin, 5-HT4Dominance-SubordinationParoxetineMicroinjectionsPyridines5,6-DihydroxytryptamineProto-Oncogene Proteins c-fosNeural PathwaysVesicular Glutamate Transport Proteinsp-ChloroamphetamineRats, WistarAutoradiographyBrainDose-Response Relationship, DrugMesencephalonKetanserinStilbamidinesReceptor, Galanin, Type 1MethysergideStress, PsychologicalAdrenergic Uptake InhibitorsDopamine5-HydroxytryptophanAmphetaminesAction PotentialsAggressionSeptum of BrainReceptor, Galanin, Type 3AnxietyImmunohistochemistryBrain ChemistryUrocortinsSynaptic TransmissionCinanserinElectroshockDihydroxytryptaminesImmobility Response, TonicIontophoresisAntidepressive AgentsGalaninSwimmingMembrane Transport ProteinsWakefulnessPrefrontal CortexAnalysis of VarianceVesicular Glutamate Transport Protein 1N,N-DimethyltryptamineEscape ReactionVesicular Glutamate Transport Protein 2NorepinephrineDrug Administration RoutesAnatomy, RegionalMedial Forebrain BundleTegmentum MesencephaliGABA AgonistsMedulla OblongataElectric StimulationTime Factors