GABA Antagonistsgamma-Aminobutyric AcidGABA AgonistsBaclofenReceptors, GABA-BBicucullineGABA-B Receptor AgonistsPhosphinic AcidsReceptors, GABA-AReceptor, Serotonin, 5-HT1BGABA-B Receptor AntagonistsGABA-A Receptor AgonistsGABA-A Receptor AntagonistsPyridazinesGABA AgentsMuscimolPiperidinesPicrotoxinBethanechol CompoundsReceptors, N-Methyl-D-AspartateStrychnineExcitatory Amino Acid AntagonistsAminobutyratesReceptors, SerotoninSerotonin AntagonistsSerotonin Receptor AgonistsRats, Sprague-DawleyGABA ModulatorsNeural InhibitionReceptors, GABAPhenolsGABA Plasma Membrane Transport ProteinsSynaptic TransmissionNeuronsGABA Uptake InhibitorsHormone AntagonistsAction PotentialsDopamine AntagonistsNeurokinin-1 Receptor AntagonistsDose-Response Relationship, DrugNarcotic AntagonistsHistamine H2 AntagonistsInterleukin 1 Receptor Antagonist ProteinMuscarinic AntagonistsNipecotic AcidsHistamine H1 AntagonistsPurinergic P1 Receptor AntagonistsRats, WistarNicotinic AntagonistsHistamine AntagonistsAdenosine A2 Receptor AntagonistsPurinergic P2 Receptor AntagonistsAdrenergic alpha-1 Receptor AntagonistsSerotonin 5-HT3 Receptor AntagonistsPatch-Clamp TechniquesSerotonin 5-HT2 Receptor AntagonistsAdenosine A1 Receptor AntagonistsLeukotriene Antagonists4-Aminobutyrate TransaminaseAngiotensin Receptor AntagonistsGlutamic AcidAdrenergic alpha-2 Receptor AntagonistsHippocampusDiazepamInhibitory Postsynaptic PotentialsAdrenergic alpha-AntagonistsElectric StimulationAdrenergic AntagonistsGlutamate DecarboxylaseRadioligand AssayCells, CulturedDrug InteractionsBinding, CompetitiveHistamine H3 AntagonistsGuinea PigsDizocilpine MaleateElectrophysiologyCalcium Channel BlockersMembrane PotentialsSynapsesBenzodiazepinesReceptors, EndothelinGlycineAdrenergic beta-2 Receptor AntagonistsSerotonin 5-HT1 Receptor AntagonistsCalciumQuinoxalinesBehavior, AnimalBenzazepinesAdenosine A3 Receptor AntagonistsSerotoninPyrazolesPyridinesNeurotransmitter AgentsNaltrexone2-Amino-5-phosphonovaleratePiperazinesExcitatory Postsynaptic PotentialsNaloxoneTime Factors