Excitatory Postsynaptic PotentialsSynaptic TransmissionHippocampusLong-Term PotentiationSynapsesNeuronal PlasticityElectric StimulationNeuronsCA1 Region, HippocampalPerforant PathwayDendritesEvoked PotentialsReceptors, N-Methyl-D-AspartateExcitatory Amino Acid AntagonistsRats, Sprague-DawleyElectrophysiologyRats, WistarNeural InhibitionAction PotentialsPyramidal CellsPatch-Clamp TechniquesPresynaptic TerminalsInterneuronsMotor Neurons2-Amino-5-phosphonovalerateInhibitory Postsynaptic PotentialsNeurons, AfferentGlutamic AcidSynaptic PotentialsMembrane Potentialsgamma-Aminobutyric AcidGABA AntagonistsAfferent PathwaysReceptors, AMPABicuculline6-Cyano-7-nitroquinoxaline-2,3-dioneCatsAxonsModels, NeurologicalDentate GyrusGanglia, InvertebrateRetinal Ganglion CellsQuinoxalinesNeurotransmitter AgentsTetrodotoxinReceptors, GlutamateNeural PathwaysReceptors, PresynapticExcitatory Amino Acid Agonistsalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidAnimals, NewbornSynaptic MembranesPicrotoxinReceptors, GABA-ASpinal CordN-MethylaspartateNeocortexReceptors, Metabotropic GlutamateAnimals, Inbred StrainsReceptors, GABA-BMiniature Postsynaptic PotentialsNerve NetLong-Term Synaptic DepressionAplysiaBrain StemIsoquinolinesBaclofenReceptors, NeurotransmitterOrgan Culture TechniquesCalciumTime FactorsGABA-B Receptor AntagonistsRetinaCerebral CortexThalamusAstacoideaMyenteric PlexusVestibulocochlear NerveGABA-A Receptor AntagonistsVisual CortexPurkinje CellsAmacrine CellsStrychnineVisual PathwaysDendritic SpinesGanglia, AutonomicCells, CulturedKynurenic AcidGuinea PigsNerve FibersMossy Fibers, HippocampalMicroelectrodesNerve Tissue ProteinsReaction TimeGlycinePost-Synaptic DensityPyramidal TractsImmunohistochemistryNeuromuscular JunctionReceptors, Kainic Acid