Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionLong-Term PotentiationSynapsesCA1 Region, HippocampalElectric StimulationPerforant PathwayEvoked PotentialsReceptors, N-Methyl-D-AspartateNeuronal PlasticityExcitatory Amino Acid AntagonistsRats, Sprague-DawleyElectrophysiologyNeuronsRats, WistarNeural Inhibition2-Amino-5-phosphonovaleratePyramidal CellsAction PotentialsPatch-Clamp TechniquesInterneuronsGABA Antagonists6-Cyano-7-nitroquinoxaline-2,3-dioneMembrane PotentialsInhibitory Postsynaptic PotentialsMotor NeuronsDentate GyrusGlutamic AcidDendritesPresynaptic TerminalsBicucullinegamma-Aminobutyric AcidReceptors, AMPAQuinoxalinesSynaptic PotentialsExcitatory Amino Acid AgonistsAfferent PathwaysPicrotoxinReceptors, PresynapticNeurons, AfferentCatsN-MethylaspartateTetrodotoxinNeural Pathwaysalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidModels, NeurologicalReceptors, GABA-BBaclofenReceptors, NeurotransmitterSynaptic MembranesGABA-B Receptor AntagonistsReceptors, GlutamateGanglia, InvertebrateAstacoideaVestibulocochlear NerveNeurotransmitter AgentsMyenteric PlexusSpinal CordReceptors, GABA-AMiniature Postsynaptic PotentialsThalamusGABA-A Receptor AntagonistsStrychnineReceptors, Metabotropic GlutamateNeocortexAnimals, NewbornGanglia, AutonomicKynurenic AcidGuinea PigsBrain StemAplysiaOrgan Culture TechniquesTime FactorsNerve FibersMossy Fibers, HippocampalMicroelectrodesPyramidal TractsCalciumGlutamatesNerve NetReceptors, Kainic AcidSubmucous PlexusGanglia, ParasympatheticCerebral CortexGlycineReaction TimeAxonsCycloleucineHermissendaDecerebrate StateIontophoresisReceptors, GABAGABA AgonistsOculomotor NerveSerotoninPurkinje CellsSomatosensory CortexGanglia, SympatheticLong-Term Synaptic Depression