Excitatory Postsynaptic PotentialsSynaptic TransmissionSynapsesElectric StimulationEvoked PotentialsNeuronsHippocampus2-Amino-5-phosphonovalerateNeural InhibitionPyramidal CellsExcitatory Amino Acid AntagonistsAction PotentialsElectrophysiologyPatch-Clamp TechniquesLong-Term PotentiationReceptors, N-Methyl-D-AspartateInterneuronsGABA AntagonistsMembrane Potentials6-Cyano-7-nitroquinoxaline-2,3-dioneInhibitory Postsynaptic PotentialsRats, Sprague-DawleyMotor NeuronsGlutamic AcidDendritesPresynaptic TerminalsBicucullinegamma-Aminobutyric AcidReceptors, AMPANeuronal PlasticityQuinoxalinesSynaptic PotentialsExcitatory Amino Acid AgonistsPicrotoxinAfferent PathwaysCA1 Region, HippocampalReceptors, PresynapticNeurons, AfferentN-MethylaspartateTetrodotoxinCatsNeural Pathwaysalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidRats, WistarReceptors, GABA-BBaclofenReceptors, NeurotransmitterSynaptic MembranesModels, NeurologicalReceptors, GlutamateGABA-B Receptor AntagonistsGanglia, InvertebrateAstacoideaVestibulocochlear NerveDentate GyrusNeurotransmitter AgentsMyenteric PlexusSpinal CordReceptors, GABA-AMiniature Postsynaptic PotentialsPerforant PathwayThalamusGABA-A Receptor AntagonistsStrychnineReceptors, Metabotropic GlutamateNeocortexAnimals, NewbornGanglia, AutonomicKynurenic AcidGuinea PigsBrain StemCalciumAplysiaOrgan Culture TechniquesMossy Fibers, HippocampalTime FactorsNerve FibersMicroelectrodesPyramidal TractsGlutamatesReceptors, Kainic AcidSubmucous PlexusGanglia, ParasympatheticNerve NetGlycineCerebral CortexReaction TimeAxonsCycloleucineHermissendaReceptors, GABAIontophoresisDecerebrate StateGABA AgonistsOculomotor NerveSerotoninPurkinje CellsGanglia, SympatheticSomatosensory CortexLong-Term Synaptic Depression