Excitatory Postsynaptic PotentialsSynaptic TransmissionHippocampusLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayEvoked PotentialsReceptors, N-Methyl-D-AspartateNeuronal PlasticityExcitatory Amino Acid AntagonistsRats, Sprague-DawleyNeuronsElectrophysiologyDendritesRats, WistarPresynaptic TerminalsNeural InhibitionPyramidal CellsAction Potentials2-Amino-5-phosphonovaleratePatch-Clamp TechniquesInterneuronsInhibitory Postsynaptic PotentialsReceptors, PresynapticGABA Antagonists6-Cyano-7-nitroquinoxaline-2,3-dioneMembrane PotentialsGlutamic Acidgamma-Aminobutyric AcidMotor NeuronsReceptors, AMPABicucullineDentate GyrusAfferent PathwaysSynaptic PotentialsQuinoxalinesCatsSynaptic MembranesExcitatory Amino Acid AgonistsPicrotoxinNeurons, AfferentNeurotransmitter AgentsTetrodotoxinReceptors, GABA-BN-MethylaspartateReceptors, GlutamateMiniature Postsynaptic PotentialsNeural PathwaysBaclofenModels, Neurologicalalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidReceptors, NeurotransmitterReceptors, GABA-AGABA-B Receptor AntagonistsGanglia, InvertebrateAstacoideaAxonsSpinal CordReceptors, Metabotropic GlutamateVestibulocochlear NerveAnimals, NewbornGABA-A Receptor AntagonistsNeocortexMyenteric PlexusThalamusStrychnineBrain StemCalciumOrgan Culture TechniquesMossy Fibers, HippocampalNeuromuscular JunctionAplysiaGanglia, AutonomicKynurenic AcidTime FactorsRetinal Ganglion CellsGuinea PigsNerve FibersReceptors, Kainic AcidPost-Synaptic DensityGlycineCerebral CortexNerve NetGlutamatesMicroelectrodesLong-Term Synaptic DepressionGABA AgonistsPyramidal TractsPurkinje CellsGanglia, ParasympatheticReceptors, GABAPhosphinic AcidsReaction TimeCycloleucineDendritic SpinesSerotoninSubmucous PlexusIontophoresis