PicrotoxinGABA AntagonistsMuscimolGABA-A Receptor AntagonistsReceptors, GABA-Agamma-Aminobutyric AcidBicucullineGABA AgonistsStrychnineAminobutyratesBethanechol CompoundsBaclofenRats, Sprague-DawleyPyridazinesGABA-A Receptor AgonistsNeural InhibitionGABA AgentsGABA ModulatorsNeuronsReceptors, GABAAction PotentialsReceptors, GABA-BConvulsantsGABA Plasma Membrane Transport ProteinsExcitatory Amino Acid AntagonistsNipecotic AcidsMicroinjectionsGABA-B Receptor AntagonistsPentobarbitalDose-Response Relationship, DrugDiazepamGABA-B Receptor AgonistsSynaptic TransmissionElectric StimulationGlycineRats, WistarPatch-Clamp TechniquesHippocampusReceptors, GlycineElectrophysiologyGABA Uptake InhibitorsHormone AntagonistsPregnanoloneMembrane PotentialsEvoked PotentialsPregnanedionesPhosphinic AcidsChloridesFlunitrazepamDopamine AntagonistsBenzodiazepinesPentylenetetrazoleBicyclo Compounds, HeterocyclicNeurokinin-1 Receptor Antagonists2-Amino-5-phosphonovalerateSynapsesBarbituratesNarcotic AntagonistsMedulla OblongataCrotonatesDrug InteractionsHistamine H2 AntagonistsGlutamic AcidQuinoxalinesIontophoresisReceptors, Neurotransmitter