Excitatory Postsynaptic PotentialsSynaptic TransmissionHippocampusLong-Term PotentiationSynapsesElectric StimulationNeuronsCA1 Region, HippocampalPerforant PathwayDendritesEvoked PotentialsReceptors, N-Methyl-D-AspartateExcitatory Amino Acid AntagonistsNeuronal PlasticityRats, Sprague-DawleyElectrophysiologyNeural InhibitionRats, WistarAction PotentialsPyramidal CellsInterneuronsPatch-Clamp Techniquesgamma-Aminobutyric AcidMotor NeuronsInhibitory Postsynaptic Potentials2-Amino-5-phosphonovalerateNeurons, AfferentGABA AntagonistsMembrane PotentialsGlutamic AcidCatsPresynaptic TerminalsAfferent Pathways6-Cyano-7-nitroquinoxaline-2,3-dioneModels, NeurologicalBicucullineDentate GyrusReceptors, AMPAAxonsRetinal Ganglion CellsNeural PathwaysExcitatory Amino Acid AgonistsPicrotoxinQuinoxalinesTetrodotoxinSynaptic PotentialsNeocortexThalamusNeurotransmitter AgentsNerve NetN-MethylaspartateReceptors, PresynapticAnimals, Inbred StrainsAnimals, NewbornSpinal Cordalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidReceptors, GlutamateReceptors, GABA-ABrain StemVisual PathwaysCerebral CortexGanglia, InvertebrateVisual CortexIsoquinolinesGABAergic NeuronsReceptors, NeurotransmitterBaclofenReceptors, GABA-BParvalbuminsSomatosensory CortexRetinaSynaptic MembranesMyenteric PlexusExcitatory Amino AcidsAstacoideaGABA-B Receptor AntagonistsVestibulocochlear NerveMiniature Postsynaptic PotentialsTime FactorsAmacrine CellsGuinea PigsGlutamate DecarboxylaseGABA-A Receptor AntagonistsReceptors, Metabotropic GlutamateStrychnineGlycineReaction TimeKynurenic AcidGanglia, AutonomicOrgan Culture TechniquesCalciumGlutamatesAplysiaMicroelectrodesNerve FibersPyramidal TractsImmunohistochemistryMossy Fibers, HippocampalIontophoresisGanglia, Parasympathetic