Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionLong-Term PotentiationSynapsesCA1 Region, HippocampalElectric StimulationPerforant PathwayEvoked PotentialsDendritesNeuronal PlasticityReceptors, N-Methyl-D-AspartateNeuronsExcitatory Amino Acid AntagonistsRats, Sprague-DawleyElectrophysiologyRats, WistarPyramidal CellsNeural InhibitionAction Potentials2-Amino-5-phosphonovaleratePatch-Clamp TechniquesInterneuronsAfferent PathwaysMembrane PotentialsGABA Antagonists6-Cyano-7-nitroquinoxaline-2,3-dioneMotor NeuronsGlutamic AcidInhibitory Postsynaptic PotentialsCatsDentate GyrusRetinal Ganglion CellsPresynaptic Terminalsgamma-Aminobutyric AcidBicucullineReceptors, AMPAAxonsQuinoxalinesSynaptic PotentialsExcitatory Amino Acid AgonistsAnimals, Inbred StrainsNeurons, AfferentPicrotoxinReceptors, PresynapticN-MethylaspartateIsoquinolinesNeural PathwaysTetrodotoxinModels, Neurologicalalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidRetinaSpinal CordReceptors, GlutamateNeurotransmitter AgentsReceptors, GABA-BReceptors, NeurotransmitterBaclofenGanglia, InvertebrateSynaptic MembranesAmacrine CellsGABA-B Receptor AntagonistsAstacoideaMyenteric PlexusVestibulocochlear NerveAnimals, NewbornReceptors, GABA-ANeocortexMiniature Postsynaptic PotentialsThalamusCerebral CortexGABA-A Receptor AntagonistsReceptors, Metabotropic GlutamateTime FactorsStrychnineVisual PathwaysBrain StemGanglia, AutonomicCalciumGuinea PigsOrgan Culture TechniquesKynurenic AcidNerve NetAplysiaNerve FibersMicroelectrodesAxonal TransportMossy Fibers, HippocampalPyramidal TractsGlutamatesGanglia, ParasympatheticReceptors, Kainic AcidVisual CortexReaction TimeGlycineSubmucous PlexusImmunohistochemistryCerebellumKainic AcidCells, Cultured