Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayEvoked PotentialsDendritesReceptors, N-Methyl-D-AspartateExcitatory Amino Acid AntagonistsNeuronal PlasticityNeuronsRats, Sprague-DawleyElectrophysiologyRats, WistarNeural InhibitionPyramidal CellsAction Potentials2-Amino-5-phosphonovaleratePatch-Clamp TechniquesInterneuronsGABA AntagonistsGlutamic AcidMembrane Potentials6-Cyano-7-nitroquinoxaline-2,3-dioneAfferent PathwaysInhibitory Postsynaptic PotentialsMotor NeuronsCatsgamma-Aminobutyric AcidPresynaptic TerminalsDentate GyrusBicucullineReceptors, AMPARetinal Ganglion CellsExcitatory Amino Acid AgonistsQuinoxalinesSynaptic PotentialsAxonsNeurons, AfferentN-MethylaspartatePicrotoxinReceptors, PresynapticNeural PathwaysAnimals, Inbred StrainsTetrodotoxinModels, Neurologicalalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidReceptors, GlutamateNeurotransmitter AgentsIsoquinolinesReceptors, NeurotransmitterReceptors, GABA-BBaclofenExcitatory Amino AcidsSynaptic MembranesGanglia, InvertebrateRetinaAstacoideaReceptors, GABA-AGABA-B Receptor AntagonistsAnimals, NewbornVestibulocochlear NerveAmacrine CellsMyenteric PlexusMiniature Postsynaptic PotentialsNeocortexThalamusSpinal CordReceptors, Metabotropic GlutamateGABA-A Receptor AntagonistsStrychnineKynurenic AcidCerebral CortexNerve NetBrain StemVisual PathwaysTime FactorsGuinea PigsOrgan Culture TechniquesGanglia, AutonomicGlutamatesCalciumNerve FibersMicroelectrodesAplysiaMossy Fibers, HippocampalPyramidal TractsGlycineVisual CortexReceptors, Kainic AcidReaction TimeKainic AcidIontophoresisSubmucous PlexusGanglia, ParasympatheticAxonal TransportReceptors, GABA