Excitatory Postsynaptic PotentialsSynaptic TransmissionHippocampusLong-Term PotentiationSynapsesElectric StimulationCA1 Region, HippocampalPerforant PathwayEvoked PotentialsDendritesNeuronsExcitatory Amino Acid AntagonistsReceptors, N-Methyl-D-AspartateRats, Sprague-DawleyNeuronal PlasticityElectrophysiologyThalamusNeural InhibitionAction PotentialsRats, WistarPyramidal CellsAfferent PathwaysPatch-Clamp TechniquesInterneuronsNeural Pathways2-Amino-5-phosphonovalerateCatsMembrane PotentialsInhibitory Postsynaptic PotentialsGABA Antagonists6-Cyano-7-nitroquinoxaline-2,3-dioneGlutamic AcidMotor Neuronsgamma-Aminobutyric AcidBicucullineModels, NeurologicalPresynaptic TerminalsDentate GyrusReceptors, AMPASomatosensory CortexRetinal Ganglion CellsQuinoxalinesVisual PathwaysExcitatory Amino Acid AgonistsSynaptic PotentialsNeurons, AfferentThalamic NucleiNerve NetCerebral CortexGeniculate BodiesAxonsVisual CortexPicrotoxinTetrodotoxinN-MethylaspartateVibrissaealpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidReceptors, PresynapticReceptors, GlutamateAnimals, Inbred StrainsBaclofenReceptors, GABA-BGanglia, InvertebrateNeurotransmitter AgentsRetinaReceptors, GABA-AAuditory PathwaysAnimals, NewbornGABA-A Receptor AntagonistsNeocortexIsoquinolinesSpinal CordReceptors, NeurotransmitterStrychnineReceptors, Metabotropic GlutamateExcitatory Amino AcidsSynaptic MembranesAstacoideaAmygdalaVestibulocochlear NerveGABA-B Receptor AntagonistsBrain StemAmacrine CellsMyenteric PlexusMiniature Postsynaptic PotentialsTime FactorsIontophoresisOrgan Culture TechniquesAuditory CortexReaction TimeGlutamatesKynurenic AcidNerve FibersGlycineGuinea PigsGABA AgonistsGanglia, AutonomicPurkinje CellsCalciumReceptors, GABA