PicrotoxinGABA AntagonistsGABA-A Receptor AntagonistsReceptors, GABA-AMuscimolgamma-Aminobutyric AcidRats, Sprague-DawleyGABA AgonistsBicucullineStrychnineGABA ModulatorsGABA AgentsAminobutyratesConvulsantsReceptors, GABA-BReceptors, GABAGABA Plasma Membrane Transport ProteinsBaclofenExcitatory Amino Acid AntagonistsGABA-A Receptor AgonistsDose-Response Relationship, DrugGABA-B Receptor AntagonistsNeural InhibitionNeuronsPentobarbitalSynaptic TransmissionNipecotic AcidsReceptors, GlycineDiazepamGABA Uptake InhibitorsHormone AntagonistsPatch-Clamp TechniquesGlycinePyridazinesElectric StimulationDopamine AntagonistsPentylenetetrazoleMembrane PotentialsGABA-B Receptor AgonistsAction PotentialsEvoked PotentialsRats, WistarHippocampusNeurokinin-1 Receptor AntagonistsPhosphinic AcidsElectrophysiologyNarcotic AntagonistsCrotonatesChloridesHistamine H2 AntagonistsIontophoresisSynapsesInterleukin 1 Receptor Antagonist ProteinMuscarinic Antagonists2-Amino-5-phosphonovalerate