Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayReceptors, N-Methyl-D-AspartateEvoked PotentialsDendritesExcitatory Amino Acid AntagonistsNeuronal PlasticityRats, Sprague-DawleyNeuronsElectrophysiologyRats, WistarPyramidal CellsNeural InhibitionAction Potentials2-Amino-5-phosphonovaleratePatch-Clamp TechniquesInterneurons6-Cyano-7-nitroquinoxaline-2,3-dioneMyenteric PlexusAfferent PathwaysMembrane PotentialsGABA AntagonistsGlutamic AcidInhibitory Postsynaptic PotentialsCatsMotor NeuronsDentate GyrusRetinal Ganglion CellsPresynaptic TerminalsReceptors, AMPAN-MethylaspartateBicucullinegamma-Aminobutyric AcidQuinoxalinesSynaptic PotentialsAnimals, Inbred StrainsPicrotoxinAxonsReceptors, PresynapticExcitatory Amino Acid AgonistsNeurons, Afferentalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidIsoquinolinesTetrodotoxinReceptors, GlutamateNeural PathwaysReceptors, NeurotransmitterModels, NeurologicalRetinaGuinea PigsReceptors, GABA-BBaclofenSynaptic MembranesAmacrine CellsGABA-B Receptor AntagonistsGanglia, InvertebrateVestibulocochlear NerveAstacoideaSpinal CordNeurotransmitter AgentsReceptors, GABA-AMiniature Postsynaptic PotentialsAnimals, NewbornReceptors, Metabotropic GlutamateThalamusGABA-A Receptor AntagonistsAdenosine A1 Receptor AntagonistsNeocortexStrychnineKynurenic AcidGanglia, AutonomicVisual PathwaysBrain StemOrgan Culture TechniquesTime FactorsGlycineCalciumNerve FibersAplysiaGlutamatesCerebral CortexMossy Fibers, HippocampalReceptors, Kainic AcidMicroelectrodesPyramidal TractsNerve NetReaction TimeSubmucous PlexusGanglia, ParasympatheticAxonal TransportVisual CortexCycloleucineIontophoresisReceptors, GABA