Receptors, AMPAReceptors, N-Methyl-D-AspartateN-MethylaspartateExcitatory Amino Acid AntagonistsDizocilpine Maleate2-Amino-5-phosphonovalerateGlutamic AcidHippocampusalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidNeuronsSynapsesExcitatory Amino Acid AgonistsRats, Sprague-DawleyQuinoxalinesSynaptic TransmissionLong-Term PotentiationPatch-Clamp TechniquesNeuronal PlasticityExcitatory Postsynaptic PotentialsGlycine6-Cyano-7-nitroquinoxaline-2,3-dioneMemantineReceptors, Kainic AcidKainic AcidExcitatory Amino Acid AgentsReceptors, GlutamateProtein SubunitsKetamineAnimals, NewbornPyramidal CellsCells, CulturedElectric StimulationKynurenic AcidPiperidinesCerebral CortexRats, WistarLong-Term Synaptic DepressionElectrophysiologyDendritesBenzothiadiazinesDose-Response Relationship, DrugPhencyclidineCalciumReceptors, NeurotransmitterMembrane PotentialsReceptors, Metabotropic GlutamateGuanylate KinaseNeurotoxinsSpinal CordBehavior, AnimalCycloserineNerve Tissue ProteinsMagnesiumValineGlutamatesCerebellumQuisqualic AcidTime FactorsNeuroprotective AgentsBrainOrgan Culture TechniquesEvoked PotentialsCalcium-Calmodulin-Dependent Protein Kinase Type 2Mice, Inbred C57BLDendritic SpinesReceptors, Dopamine D1Ibotenic AcidBicucullineCA1 Region, HippocampalDrug InteractionsReceptor, Metabotropic Glutamate 5Receptors, GlycineCorpus StriatumRats, Long-EvansIon Channel GatingAction PotentialsNeocortexGABA AntagonistsPresynaptic TerminalsPrefrontal CortexTetrodotoxinAnalysis of VarianceMice, KnockoutSynaptic MembranesMicroinjectionsAmygdalagamma-Aminobutyric AcidNeural InhibitionImmunohistochemistryPicrotoxinMemoryProtein TransportMolecular Sequence DataGABA-A Receptor AntagonistsXenopus laevisCycloleucineSignal TransductionMaze LearningPost-Synaptic DensityFear