Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionDendritic SpinesLong-Term PotentiationSynapsesCA1 Region, HippocampalElectric StimulationDendritesNeuronsPerforant PathwayNeuronal PlasticityEvoked PotentialsReceptors, N-Methyl-D-AspartateExcitatory Amino Acid AntagonistsRats, Sprague-DawleyElectrophysiologyRats, WistarPyramidal CellsNeural InhibitionAction Potentials2-Amino-5-phosphonovaleratePatch-Clamp TechniquesMotor NeuronsInterneuronsNeurons, AfferentMembrane PotentialsAfferent PathwaysGABA Antagonists6-Cyano-7-nitroquinoxaline-2,3-dioneReceptors, AMPAGlutamic AcidPresynaptic TerminalsCatsDentate GyrusInhibitory Postsynaptic Potentialsgamma-Aminobutyric AcidBicucullineRetinal Ganglion CellsAxonsSpineSynaptic PotentialsQuinoxalinesExcitatory Amino Acid AgonistsModels, NeurologicalN-MethylaspartateAnimals, Inbred StrainsPicrotoxinTetrodotoxinReceptors, GlutamateReceptors, PresynapticIsoquinolinesalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidAnimals, NewbornSpinal CordSynaptic MembranesNeural PathwaysGanglia, InvertebrateNeurotransmitter AgentsRetinaNeocortexReceptors, GABA-BBaclofenMiniature Postsynaptic PotentialsReceptors, NeurotransmitterCerebral CortexMyenteric PlexusReceptors, GABA-AThalamusGABA-B Receptor AntagonistsOrgan Culture TechniquesAstacoideaVestibulocochlear NerveAmacrine CellsReceptors, Metabotropic GlutamateTime FactorsGABA-A Receptor AntagonistsCalciumStrychnineVisual PathwaysBrain StemNerve NetGanglia, AutonomicPurkinje CellsGuinea PigsCells, CulturedAplysiaKynurenic AcidVisual CortexNerve FibersPyramidal TractsMicroelectrodesSomatosensory CortexNerve Tissue ProteinsMossy Fibers, HippocampalGlutamatesGanglia, ParasympatheticImmunohistochemistryReaction TimeAxonal Transport