Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayEvoked PotentialsDendritesReceptors, N-Methyl-D-AspartateNeuronal PlasticityExcitatory Amino Acid AntagonistsRats, Sprague-DawleyNeuronsElectrophysiologyRats, WistarPyramidal CellsNeural InhibitionAction Potentials2-Amino-5-phosphonovaleratePatch-Clamp TechniquesInterneuronsAfferent PathwaysGABA AntagonistsCats6-Cyano-7-nitroquinoxaline-2,3-dioneMembrane PotentialsInhibitory Postsynaptic PotentialsMotor NeuronsCerebral CortexDentate GyrusGlutamic AcidRetinal Ganglion CellsPresynaptic TerminalsBicucullinegamma-Aminobutyric AcidReceptors, AMPAVisual CortexQuinoxalinesSynaptic PotentialsAnimals, Inbred StrainsAxonsNeural PathwaysExcitatory Amino Acid AgonistsNeurons, AfferentPicrotoxinReceptors, PresynapticModels, NeurologicalIsoquinolinesN-MethylaspartateTetrodotoxinSomatosensory CortexPrefrontal CortexRetinaalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidReceptors, GABA-BBaclofenReceptors, NeurotransmitterSynaptic MembranesReceptors, GlutamateAmacrine CellsGABA-B Receptor AntagonistsNeurotransmitter AgentsGanglia, InvertebrateAstacoideaVestibulocochlear NerveSpinal CordMyenteric PlexusReceptors, GABA-AVisual PathwaysMiniature Postsynaptic PotentialsAnimals, NewbornNeocortexThalamusGABA-A Receptor AntagonistsReceptors, Metabotropic GlutamateStrychnineTime FactorsReaction TimeGanglia, AutonomicNerve NetGuinea PigsKynurenic AcidEntorhinal CortexBrain StemMicroelectrodesPyramidal TractsOrgan Culture TechniquesNerve FibersVisual FieldsAplysiaAuditory CortexCalciumMossy Fibers, HippocampalGlutamatesAxonal TransportReceptors, Kainic AcidGlycineSubmucous Plexus