Histamine AntagonistsHistamineReceptors, Histamine H3Histamine AgonistsHistamine H3 AntagonistsMethylhistaminesReceptors, Histamine H2Receptors, HistamineSerotoninHistamine H1 AntagonistsThioureaReceptors, Histamine H1Receptor, Serotonin, 5-HT2AHistamine ReleaseReceptor, Serotonin, 5-HT1AReceptors, SerotoninSerotonin AntagonistsHistamine H2 AntagonistsExcitatory Postsynaptic PotentialsSerotonin 5-HT2 Receptor AntagonistsReceptors, Serotonin, 5-HT1Receptor, Serotonin, 5-HT1BReceptor, Serotonin, 5-HT2CReceptors, Serotonin, 5-HT3Serotonin Receptor AgonistsInterleukin 1 Receptor Antagonist ProteinSerotonin Plasma Membrane Transport ProteinsSynapsesRats, Sprague-DawleySerotonin Uptake InhibitorsSerotonin 5-HT3 Receptor AntagonistsSerotonin 5-HT1 Receptor AntagonistsNeurokinin-1 Receptor AntagonistsSynaptic TransmissionExcitatory Amino Acid AntagonistsDose-Response Relationship, DrugSerotonin 5-HT1 Receptor AgonistsPiperidinesSerotonin AgentsSerotonin 5-HT2 Receptor AgonistsPyrilamineNeuronsReceptor, Serotonin, 5-HT2BReceptors, Serotonin, 5-HT2Rats, WistarReceptors, N-Methyl-D-AspartatePurinergic P1 Receptor AntagonistsHistamine N-MethyltransferaseGABA AntagonistsCimetidineElectric StimulationHippocampusDopamine AntagonistsKetanserinPresynaptic TerminalsPatch-Clamp TechniquesAngiotensin Receptor AntagonistsAdenosine A2 Receptor AntagonistsGuinea PigsGABA-A Receptor Antagonists8-Hydroxy-2-(di-n-propylamino)tetralingamma-Aminobutyric AcidHormone AntagonistsInhibitory Postsynaptic PotentialsReceptors, Serotonin, 5-HT4Receptor, Serotonin, 5-HT1DChlorpheniramineNeural InhibitionDimapritAdenosine A1 Receptor AntagonistsSerotonin SyndromeGlutamic AcidReceptors, AMPANarcotic AntagonistsMuscarinic AntagonistsSynaptic MembranesPurinergic P2 Receptor AntagonistsSerotonin 5-HT4 Receptor AntagonistsHistidine DecarboxylaseCells, CulturedDrug Interactions2-Amino-5-phosphonovalerateElectrophysiologyMetiamideHistamine AgentsPiperazinesRaphe NucleiTime FactorsPyridinesPost-Synaptic DensityDizocilpine MaleateBehavior, AnimalReceptors, EndothelinTryptophan HydroxylaseQuinoxalinesBicucullineMethysergideAction PotentialsLong-Term PotentiationIndoles