Raphe NucleiSerotoninNeuronsSerotonergic Neurons8-Hydroxy-2-(di-n-propylamino)tetralinTryptophan HydroxylaseReceptor, Serotonin, 5-HT1ASerotonin Receptor AgonistsReceptors, Serotonin, 5-HT1Vestibular NucleiReceptors, SerotoninSerotonin 5-HT1 Receptor AgonistsHelplessness, LearnedSerotonin AntagonistsRats, Sprague-Dawley5,7-DihydroxytryptamineAutoreceptorsReceptors, Corticotropin-Releasing HormoneSerotonin 5-HT1 Receptor AntagonistsSerotonin AgentsCell NucleusDominance-SubordinationAction PotentialsLocus CoeruleusNeurons, AfferentBrain StemHydroxyindoleacetic AcidRed NucleusReceptor, Serotonin, 5-HT1BCorticotropin-Releasing HormoneBehavior, AnimalNeural Pathways5,6-DihydroxytryptamineSerotonin 5-HT2 Receptor AgonistsProto-Oncogene Proteins c-fosMicrodialysisVesicular Glutamate Transport ProteinsRats, WistarMicroinjectionsSynaptic TransmissionElectric StimulationSerotonin Uptake InhibitorsCerebellar NucleiReceptor, Galanin, Type 2PiperazinesCatsFenclonineSerotonin Plasma Membrane Transport ProteinsCochlear NucleusNeural InhibitionStilbamidinesPyridinesReceptor, Serotonin, 5-HT2CMedulla OblongataMesencephalonElectrophysiologygamma-Aminobutyric AcidImmunohistochemistryMotor NeuronsSupraoptic NucleusAfferent PathwaysBiogenic MonoaminesPonsAutoradiographyAnatomy, RegionalFluoxetineSuprachiasmatic NucleusRats, Long-EvansGABA AntagonistsElectroshockSeptum of BrainAllylglycineImmobility Response, TonicArcuate NucleusReceptors, Serotonin, 5-HT2GABA AgonistsEscape ReactionBrainBaclofenPatch-Clamp TechniquesTime FactorsParaventricular Hypothalamic NucleusSubstantia InnominataMedial Forebrain BundleAlfaxalone Alfadolone MixtureDose-Response Relationship, DrugDrug Administration RoutesThalamic NucleiGABA-B Receptor AgonistsGlutamic AcidReceptors, Neurokinin-1Stress, PsychologicalWakefulnessNucleus AccumbensAnalysis of VariancePresynaptic TerminalsAnxietyMuscimolDopamineReceptor, Serotonin, 5-HT2A