Receptors, AMPAReceptors, Kainic AcidReceptors, GlutamateKainic AcidHippocampusNeuronsSynapsesalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidProtein SubunitsGlutamic AcidReceptors, N-Methyl-D-AspartateNeuronal PlasticityRats, Sprague-DawleySynaptic TransmissionExcitatory Postsynaptic PotentialsLong-Term PotentiationLong-Term Synaptic DepressionBenzothiadiazinesCells, CulturedPatch-Clamp TechniquesExcitatory Amino Acid AgonistsExcitatory Amino Acid AntagonistsMice, KnockoutAnimals, Newborn