Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayEvoked PotentialsDendritesReceptors, N-Methyl-D-AspartateExcitatory Amino Acid AntagonistsNeuronal PlasticityRats, Sprague-DawleyNeuronsElectrophysiologyRats, WistarNeural InhibitionPyramidal CellsAction Potentials2-Amino-5-phosphonovaleratePatch-Clamp TechniquesInterneuronsGABA Antagonists6-Cyano-7-nitroquinoxaline-2,3-dioneAfferent PathwaysMembrane PotentialsInhibitory Postsynaptic PotentialsGlutamic AcidCatsMotor NeuronsPresynaptic TerminalsDentate Gyrusgamma-Aminobutyric AcidBicucullineReceptors, AMPARetinal Ganglion CellsExcitatory Amino Acid AgonistsQuinoxalinesSynaptic PotentialsPicrotoxinNeurons, AfferentAxonsReceptors, PresynapticAnimals, Inbred StrainsN-MethylaspartateNeural PathwaysTetrodotoxinalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidReceptors, GlutamateModels, NeurologicalIsoquinolinesNeurotransmitter AgentsReceptors, NeurotransmitterBaclofenReceptors, GABA-BExcitatory Amino AcidsSynaptic MembranesRetinaGanglia, InvertebrateAstacoideaGABA-B Receptor AntagonistsVestibulocochlear NerveAmacrine CellsReceptors, GABA-AMyenteric PlexusMiniature Postsynaptic PotentialsThalamusAnimals, NewbornNeocortexReceptors, Metabotropic GlutamateGABA-A Receptor AntagonistsStrychnineSpinal CordKynurenic AcidGuinea PigsVisual PathwaysGanglia, AutonomicBrain StemGlutamatesOrgan Culture TechniquesNerve NetTime FactorsNerve FibersMossy Fibers, HippocampalCalciumAplysiaMicroelectrodesCerebral CortexPyramidal TractsGlycineReceptors, Kainic AcidVisual CortexReaction TimeSubmucous PlexusIontophoresisGanglia, ParasympatheticKainic AcidCycloleucineReceptors, GABA