Excitatory Postsynaptic PotentialsHippocampusSynaptic TransmissionLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayNeuronsEvoked PotentialsDendritesReceptors, N-Methyl-D-AspartateNeuronal PlasticityExcitatory Amino Acid AntagonistsRats, Sprague-DawleyElectrophysiologyRats, WistarPyramidal CellsNeural InhibitionAction Potentials2-Amino-5-phosphonovalerateMotor NeuronsPatch-Clamp TechniquesInterneuronsNeurons, AfferentMembrane PotentialsAfferent PathwaysGABA Antagonists6-Cyano-7-nitroquinoxaline-2,3-dioneCatsInhibitory Postsynaptic PotentialsGlutamic AcidDentate Gyrusgamma-Aminobutyric AcidPresynaptic TerminalsRetinal Ganglion CellsBicucullineReceptors, AMPAAxonsQuinoxalinesSynaptic PotentialsExcitatory Amino Acid AgonistsAnimals, Inbred StrainsPicrotoxinReceptors, PresynapticTetrodotoxinN-MethylaspartateModels, NeurologicalIsoquinolinesSpinal CordGanglia, Invertebratealpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidRetinaNeural PathwaysNeurotransmitter AgentsBaclofenReceptors, GABA-BReceptors, GlutamateMyenteric PlexusReceptors, NeurotransmitterSynaptic MembranesGABA-B Receptor AntagonistsAstacoideaReceptors, GABA-AVestibulocochlear NerveAnimals, NewbornAmacrine CellsThalamusMiniature Postsynaptic PotentialsNeocortexGABA-A Receptor AntagonistsStrychnineReceptors, Metabotropic GlutamateVisual PathwaysBrain StemGanglia, AutonomicTime FactorsCerebral CortexGuinea PigsAplysiaKynurenic AcidCalciumOrgan Culture TechniquesMicroelectrodesNerve NetNerve FibersPyramidal TractsGanglia, ParasympatheticReaction TimeVisual CortexAxonal TransportMossy Fibers, HippocampalGlutamatesSubmucous PlexusGlycineSerotoninReceptors, Kainic AcidGanglia, SympatheticIontophoresisGABA Agonists