Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayEvoked PotentialsReceptors, N-Methyl-D-AspartateNeuronal PlasticityExcitatory Amino Acid AntagonistsRats, Sprague-DawleyNeuronsElectrophysiologyDendritesRats, WistarNeural InhibitionAction PotentialsPyramidal Cells2-Amino-5-phosphonovaleratePatch-Clamp TechniquesInterneuronsGABA AntagonistsInhibitory Postsynaptic Potentials6-Cyano-7-nitroquinoxaline-2,3-dioneMembrane PotentialsPresynaptic TerminalsMotor NeuronsGlutamic AcidDentate GyrusBicucullinegamma-Aminobutyric AcidAfferent PathwaysReceptors, AMPACatsSynaptic PotentialsQuinoxalinesNeurons, AfferentPicrotoxinExcitatory Amino Acid AgonistsReceptors, PresynapticNeural PathwaysModels, NeurologicalSynaptic MembranesN-MethylaspartateTetrodotoxinReceptors, GABA-BReceptors, Glutamatealpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidBaclofenReceptors, NeurotransmitterReceptors, GABA-ANeurotransmitter AgentsGABA-B Receptor AntagonistsSpinal CordMiniature Postsynaptic PotentialsGanglia, InvertebrateAstacoideaVestibulocochlear NerveAxonsNeocortexThalamusMyenteric PlexusGABA-A Receptor AntagonistsAnimals, NewbornMicroelectrodesReceptors, Metabotropic GlutamateStrychnineNerve NetTime FactorsKynurenic AcidGuinea PigsBrain StemGanglia, AutonomicCerebral CortexOrgan Culture TechniquesNerve FibersRetinal Ganglion CellsReaction TimeMossy Fibers, HippocampalCalciumAplysiaPyramidal TractsGlutamatesGlycineSomatosensory CortexReceptors, Kainic AcidGABA AgonistsGanglia, ParasympatheticPurkinje CellsReceptors, GABASubmucous PlexusLong-Term Synaptic DepressionDecerebrate StateCycloleucineSerotoninNeuromuscular JunctionIontophoresisAnimals, Inbred Strains