Receptors, AMPAReceptors, NeurotransmitterSynapsesReceptors, GABA-AReceptors, N-Methyl-D-AspartateSynaptic TransmissionNeuronsHippocampusExcitatory Postsynaptic PotentialsPatch-Clamp TechniquesRats, Sprague-DawleyCells, Culturedalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidBenzothiadiazinesReceptors, Kainic AcidExcitatory Amino Acid AntagonistsExcitatory Amino Acid AgonistsKainic AcidGlutamic AcidQuinoxalines6-Cyano-7-nitroquinoxaline-2,3-dioneN-MethylaspartateLong-Term PotentiationNeuronal Plasticity2-Amino-5-phosphonovalerateElectric StimulationElectrophysiologyIbotenic AcidPyramidal CellsBenzodiazepinesCalciumLong-Term Synaptic DepressionDendritesProtein SubunitsTime FactorsMembrane PotentialsRats, WistarQuisqualic AcidProtein TransportExcitatory Amino Acid AgentsAnimals, NewbornFast NeutronsCerebellumAction PotentialsKineticsSynaptic MembranesN-Ethylmaleimide-Sensitive ProteinsNerve Tissue ProteinsIon Channel GatingDizocilpine MaleateMuscle Fibers, Fast-TwitchGABA AntagonistsOrgan Culture TechniquesPresynaptic TerminalsCerebral CortexSpinal CordNeurotoxinsPhenoxyacetatesSpectrometry, Mass, Fast Atom BombardmentPost-Synaptic DensityDose-Response Relationship, DrugSynaptic Potentials