SerotoninNeuronsReceptor, Serotonin, 5-HT2AReceptor, Serotonin, 5-HT1AReceptors, SerotoninReceptor, Serotonin, 5-HT1BReceptor, Serotonin, 5-HT2CReceptors, Serotonin, 5-HT1Serotonin AntagonistsSerotonin Plasma Membrane Transport ProteinsReceptors, Serotonin, 5-HT3Neurons, AfferentSerotonin Uptake InhibitorsSerotonin Receptor AgonistsSerotonin 5-HT2 Receptor AntagonistsMotor NeuronsSerotonin AgentsSerotonin 5-HT1 Receptor AgonistsSerotonin 5-HT2 Receptor AgonistsReceptors, Serotonin, 5-HT2Receptor, Serotonin, 5-HT2BSerotonin 5-HT1 Receptor AntagonistsSerotonin SyndromeReceptor, Serotonin, 5-HT1DTryptophan HydroxylaseAction PotentialsSerotonergic NeuronsSerotonin 5-HT3 Receptor AntagonistsRaphe NucleiReceptors, Serotonin, 5-HT4KetanserinDopaminergic NeuronsHydroxyindoleacetic AcidHippocampusDopamine8-Hydroxy-2-(di-n-propylamino)tetralinElectrophysiologyNerve Tissue ProteinsPatch-Clamp TechniquesHT29 CellsSynaptic TransmissionBrainFluoxetineSynapsesGABAergic NeuronsCells, CulturedElectric Stimulation5-HydroxytryptophanCerebral CortexAxonsSpinal CordGanglia, SpinalMembrane PotentialsDendritesSensory Receptor Cellsgamma-Aminobutyric AcidMethysergideCitalopramBehavior, AnimalSerotonin 5-HT3 Receptor AgonistsRats, WistarRats, Sprague-DawleySerotonin 5-HT4 Receptor AgonistsNeural InhibitionAnimals, NewbornOlfactory Receptor NeuronsSerotonin 5-HT4 Receptor AntagonistsCholinergic NeuronsImmunohistochemistryParoxetineTime FactorsFenclonineDose-Response Relationship, DrugPyramidal CellsInterneuronsMedulla OblongataModels, NeurologicalExcitatory Postsynaptic PotentialsNeuropeptidesNeurons, EfferentMotor Neuron DiseaseGanglia, InvertebrateMesencephalonBrain StemCatsNeurotransmitter AgentsGlutamic Acid5,7-DihydroxytryptamineMice, Inbred C57BLBiogenic MonoaminesTetrodotoxinAmphetaminesCalciumTyrosine 3-MonooxygenaseAnalysis of VarianceGangliaCorpus StriatumMice, KnockoutNerve NetAfferent Pathways