SerotoninDepressionSerotonin Plasma Membrane Transport ProteinsSerotonin Uptake InhibitorsReceptors, SerotoninReceptor, Serotonin, 5-HT2AReceptor, Serotonin, 5-HT1ADepressive DisorderSerotonin AntagonistsReceptor, Serotonin, 5-HT2CDepression, PostpartumDepressive Disorder, MajorAffectReceptors, Serotonin, 5-HT2Serotonin AgentsReceptor, Serotonin, 5-HT2BReceptor, Serotonin, 5-HT1BSerotonin Receptor AgonistsAntidepressive AgentsCortical Spreading DepressionReceptors, Serotonin, 5-HT1Psychiatric Status Rating ScalesSerotonin SyndromeSerotonin 5-HT2 Receptor AntagonistsAnxietyReceptors, Serotonin, 5-HT3Serotonin 5-HT2 Receptor AgonistsTryptophan HydroxylaseLong-Term Synaptic DepressionSerotonin 5-HT1 Receptor AgonistsCitalopramFluoxetineReceptors, Serotonin, 5-HT4Serotonin 5-HT1 Receptor AntagonistsIrritable MoodAnxiety DisordersAntidepressive Agents, Second-GenerationBipolar DisorderHydroxyindoleacetic AcidParoxetineStress, PsychologicalQuestionnairesRaphe NucleiPersonality Inventory5-HydroxytryptophanKetanserinSerotonergic NeuronsSertralineAntidepressive Agents, TricyclicComorbidityPsychotherapyBrain8-Hydroxy-2-(di-n-propylamino)tetralinSeverity of Illness IndexAntimanic AgentsTime FactorsAnalysis of VarianceCognitive TherapyDiagnostic and Statistical Manual of Mental DisordersMethysergideFenclonineRisk FactorsBiogenic MonoaminesPsychometricsDysthymic DisorderQuality of LifeRats, Sprague-DawleyReceptor, Serotonin, 5-HT1DSuicideTreatment Outcome5,7-DihydroxytryptamineBehavior, AnimalEmotionsCross-Sectional StudiesImipramineLongitudinal StudiesPsychological TestsInterview, PsychologicalSynaptic TransmissionSerotonin 5-HT3 Receptor AntagonistsAdaptation, PsychologicalPrevalenceCyclohexanolsHippocampusDopamineLife Change EventsNeuropsychological TestsDose-Response Relationship, DrugNeuronsSeasonal Affective DisorderMental DisordersDepression, ChemicalFluvoxamineFenfluramineCinanserinFatigueTryptophanElectroconvulsive TherapyNeuronal PlasticityFollow-Up Studies