Excitatory Postsynaptic PotentialsSynaptic TransmissionHippocampusLong-Term PotentiationSynapsesElectric StimulationNeuronsCA1 Region, HippocampalPerforant PathwayDendritesEvoked PotentialsNeuronal PlasticityReceptors, N-Methyl-D-AspartateExcitatory Amino Acid AntagonistsRats, Sprague-DawleyElectrophysiologyRats, WistarNeural InhibitionAction PotentialsPyramidal CellsPatch-Clamp TechniquesPresynaptic TerminalsInterneuronsMotor Neurons2-Amino-5-phosphonovalerateInhibitory Postsynaptic PotentialsNeurons, AfferentGlutamic AcidMembrane Potentialsgamma-Aminobutyric AcidSynaptic PotentialsGABA AntagonistsAfferent PathwaysReceptors, AMPABicuculline6-Cyano-7-nitroquinoxaline-2,3-dioneCatsAxonsDentate GyrusModels, NeurologicalRetinal Ganglion CellsGanglia, InvertebrateQuinoxalinesTetrodotoxinNeurotransmitter AgentsReceptors, GlutamateReceptors, Presynapticalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidNeural PathwaysExcitatory Amino Acid AgonistsSynaptic MembranesPicrotoxinAnimals, NewbornReceptors, GABA-ASpinal CordN-MethylaspartateNeocortexAnimals, Inbred StrainsReceptors, GABA-BReceptors, Metabotropic GlutamateMiniature Postsynaptic PotentialsIsoquinolinesBaclofenReceptors, NeurotransmitterBrain StemAplysiaCalciumGABA-B Receptor AntagonistsOrgan Culture TechniquesNerve NetRetinaThalamusAstacoideaMyenteric PlexusVestibulocochlear NerveCerebral CortexTime FactorsGABA-A Receptor AntagonistsAmacrine CellsLong-Term Synaptic DepressionPurkinje CellsStrychnineVisual CortexVisual PathwaysGanglia, AutonomicKynurenic AcidGuinea PigsNerve FibersMicroelectrodesCells, CulturedMossy Fibers, HippocampalGlycineGanglia, ParasympatheticReaction TimePyramidal TractsPost-Synaptic DensityNeuromuscular JunctionReceptors, Kainic AcidGlutamatesImmunohistochemistry