Excitatory Postsynaptic PotentialsSynaptic TransmissionHippocampusLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayEvoked PotentialsDendritesExcitatory Amino Acid AntagonistsReceptors, N-Methyl-D-AspartateNeuronsNeuronal PlasticityRats, Sprague-DawleyElectrophysiologyNeural InhibitionRats, WistarPyramidal CellsAction PotentialsGlutamic Acid2-Amino-5-phosphonovalerateInterneuronsPatch-Clamp TechniquesGlutamatesReceptors, GlutamateGABA Antagonists6-Cyano-7-nitroquinoxaline-2,3-dioneInhibitory Postsynaptic PotentialsMembrane PotentialsAfferent Pathwaysgamma-Aminobutyric AcidCatsReceptors, AMPAMotor NeuronsBicucullinePresynaptic TerminalsDentate GyrusExcitatory Amino Acid AgonistsReceptors, Metabotropic GlutamateQuinoxalinesRetinal Ganglion CellsNeural PathwaysSynaptic PotentialsModels, NeurologicalNeurons, AfferentN-MethylaspartatePicrotoxinAxonsalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidTetrodotoxinReceptors, PresynapticNeurotransmitter AgentsThalamusAnimals, Inbred StrainsBaclofenReceptors, GABA-BRetinaReceptors, GABA-AAnimals, NewbornGanglia, InvertebrateReceptors, NeurotransmitterGABA-A Receptor AntagonistsExcitatory Amino AcidsNeocortexIsoquinolinesSpinal CordNerve NetStrychnineSynaptic MembranesAstacoideaGABA-B Receptor AntagonistsVisual PathwaysAmacrine CellsBrain StemVestibulocochlear NerveMiniature Postsynaptic PotentialsKynurenic AcidMyenteric PlexusTime FactorsCerebral CortexOrgan Culture TechniquesIontophoresisNerve FibersCycloleucineVisual CortexCalciumReaction TimeGlycineReceptors, Kainic AcidPurkinje CellsGuinea PigsGABA AgonistsKainic AcidReceptors, GABAGanglia, AutonomicSomatosensory CortexMossy Fibers, HippocampalMicroelectrodesDendritic Spines