Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayNeuronsEvoked PotentialsDendritesReceptors, N-Methyl-D-AspartateNeuronal PlasticityThalamusExcitatory Amino Acid AntagonistsRats, Sprague-DawleyElectrophysiologyRats, WistarPyramidal CellsNeural InhibitionAction Potentials2-Amino-5-phosphonovalerateMotor NeuronsPatch-Clamp TechniquesNeurons, AfferentInterneuronsAfferent PathwaysMembrane PotentialsGABA AntagonistsCats6-Cyano-7-nitroquinoxaline-2,3-dioneInhibitory Postsynaptic PotentialsGlutamic Acidgamma-Aminobutyric AcidDentate GyrusPresynaptic TerminalsBicucullineRetinal Ganglion CellsReceptors, AMPAAxonsQuinoxalinesSynaptic PotentialsExcitatory Amino Acid AgonistsPicrotoxinAnimals, Inbred StrainsNeural PathwaysReceptors, PresynapticModels, NeurologicalTetrodotoxinN-MethylaspartateIsoquinolinesSpinal CordGanglia, Invertebratealpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidRetinaReceptors, GABA-BNeurotransmitter AgentsBaclofenReceptors, GlutamateReceptors, NeurotransmitterReceptors, GABA-AMyenteric PlexusAnimals, NewbornGABA-B Receptor AntagonistsSynaptic MembranesAstacoideaVestibulocochlear NerveAmacrine CellsCerebral CortexNeocortexBrain StemMiniature Postsynaptic PotentialsVisual PathwaysGABA-A Receptor AntagonistsReceptors, Metabotropic GlutamateStrychnineTime FactorsNerve NetGanglia, AutonomicGuinea PigsMicroelectrodesAplysiaOrgan Culture TechniquesKynurenic AcidCalciumReaction TimeNerve FibersVisual CortexAxonal TransportPyramidal TractsThalamic NucleiGanglia, ParasympatheticSomatosensory CortexGlutamatesMossy Fibers, HippocampalSubmucous PlexusGlycineSerotoninIontophoresisReceptors, Kainic Acid