Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayAction PotentialsEvoked PotentialsDendritesReceptors, N-Methyl-D-AspartateNeuronal PlasticityExcitatory Amino Acid AntagonistsRats, Sprague-DawleyNeuronsElectrophysiologyRats, WistarPyramidal CellsNeural InhibitionPatch-Clamp Techniques2-Amino-5-phosphonovalerateMembrane PotentialsInterneuronsAfferent PathwaysGABA Antagonists6-Cyano-7-nitroquinoxaline-2,3-dioneMotor NeuronsCatsInhibitory Postsynaptic PotentialsPresynaptic TerminalsDentate GyrusGlutamic AcidBicucullineRetinal Ganglion Cellsgamma-Aminobutyric AcidTetrodotoxinAxonsReceptors, AMPAQuinoxalinesSynaptic PotentialsNeurons, AfferentAnimals, Inbred StrainsExcitatory Amino Acid AgonistsPicrotoxinReceptors, PresynapticModels, NeurologicalIsoquinolinesN-MethylaspartateNeural PathwaysGuinea PigsNeurotransmitter AgentsAstacoideaalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidGanglia, InvertebrateRetinaCalciumBaclofenReceptors, GABA-BSynaptic MembranesReceptors, NeurotransmitterReceptors, GlutamateAmacrine CellsSpinal CordGABA-B Receptor AntagonistsMyenteric PlexusVestibulocochlear NerveReceptors, GABA-AAnimals, NewbornNeocortexMicroelectrodesMiniature Postsynaptic PotentialsThalamusTime FactorsGABA-A Receptor AntagonistsStrychnineGanglia, AutonomicReceptors, Metabotropic GlutamateBrain StemVisual PathwaysNerve FibersOrgan Culture TechniquesAplysiaKynurenic AcidReaction TimeNeural ConductionMossy Fibers, HippocampalNerve NetElectric ConductivityPyramidal TractsGanglia, ParasympatheticCerebral CortexGlutamates4-AminopyridineVoltage-Sensitive Dye ImagingSubmucous PlexusReceptors, Kainic AcidGlycineVisual CortexAxonal Transport