GABA AntagonistsBicucullinegamma-Aminobutyric AcidPicrotoxinGABA AgonistsBethanechol CompoundsReceptors, GABA-AGABA-A Receptor AntagonistsStrychnineAminobutyratesMuscimolBaclofenPyridazinesGABA AgentsInjectionsGABA ModulatorsNeural InhibitionGABA Plasma Membrane Transport ProteinsNeuronsReceptors, GABA-BExcitatory Amino Acid AntagonistsRats, Sprague-DawleyHormone AntagonistsGABA Uptake InhibitorsDose-Response Relationship, DrugAction PotentialsDopamine AntagonistsNeurokinin-1 Receptor AntagonistsNarcotic AntagonistsHistamine H2 AntagonistsGABA-A Receptor AgonistsInterleukin 1 Receptor Antagonist ProteinMuscarinic AntagonistsRats, WistarGABA-B Receptor AntagonistsPiperidinesHistamine H1 AntagonistsNipecotic AcidsPurinergic P1 Receptor AntagonistsNicotinic AntagonistsPhosphinic AcidsGABA-B Receptor AgonistsHistamine AntagonistsAdenosine A2 Receptor AntagonistsInjections, IntravenousPurinergic P2 Receptor AntagonistsAdrenergic alpha-1 Receptor AntagonistsPatch-Clamp TechniquesSynaptic TransmissionSerotonin 5-HT3 Receptor AntagonistsSerotonin 5-HT2 Receptor AntagonistsInjections, IntraventricularAdenosine A1 Receptor AntagonistsGlutamic AcidInjections, IntramuscularLeukotriene AntagonistsAngiotensin Receptor AntagonistsHippocampusTime FactorsElectric Stimulation4-Aminobutyrate TransaminaseCells, CulturedReceptors, N-Methyl-D-AspartateAdrenergic alpha-2 Receptor AntagonistsDiazepamInjections, SubcutaneousAdrenergic alpha-AntagonistsDrug InteractionsMicroinjectionsAdrenergic AntagonistsInhibitory Postsynaptic PotentialsGlutamate DecarboxylaseInjections, IntraperitonealRadioligand AssayGuinea PigsReceptors, SerotoninBinding, CompetitiveBehavior, AnimalElectrophysiologyDizocilpine MaleateDisease Models, AnimalHistamine H3 AntagonistsMice, Inbred C57BLCalcium Channel BlockersMembrane PotentialsSynapsesInjections, Intra-ArticularCalciumBenzodiazepinesInjections, IntralesionalGlycineReceptors, EndothelinInjections, SpinalBrainSerotoninQuinoxalinesAdrenergic beta-2 Receptor AntagonistsBenzazepinesNaloxoneSerotonin 5-HT1 Receptor Antagonists