SynapsesExcitatory Postsynaptic PotentialsSynaptic TransmissionDendritic SpinesHippocampusReceptors, AMPANeuronsNeuronal PlasticityNeural InhibitionReceptors, N-Methyl-D-AspartateDendritesExcitatory Amino Acid AntagonistsPresynaptic TerminalsPatch-Clamp TechniquesPost-Synaptic DensityLong-Term PotentiationPyramidal CellsGlutamic AcidInterneuronsElectric StimulationVesicular Glutamate Transport Protein 1Guanylate KinaseImmunological Synapsesgamma-Aminobutyric AcidRats, Sprague-DawleyReceptors, GlutamateNerve Tissue ProteinsAction PotentialsLong-Term Synaptic DepressionExcitatory Amino AcidsSynaptic MembranesCA1 Region, HippocampalExcitatory Amino Acid AgonistsGABA AntagonistsInhibitory Postsynaptic PotentialsAnimals, NewbornModels, NeurologicalSynaptic PotentialsSynaptic VesiclesElectrophysiologyExcitatory Amino Acid AgentsNeurotransmitter Agents6-Cyano-7-nitroquinoxaline-2,3-dioneNeocortexalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid2-Amino-5-phosphonovalerateCells, CulturedReceptors, Metabotropic GlutamateQuinoxalinesNeural PathwaysCell Adhesion Molecules, NeuronalOrgan Culture TechniquesSynaptophysinN-MethylaspartateEvoked PotentialsGlutamate DecarboxylaseVesicular Glutamate Transport Protein 2Nerve NetPurkinje CellsCerebellumCerebral CortexBicucullineAxonsPicrotoxinMiniature Postsynaptic PotentialsElectrical SynapsesMembrane ProteinsMotor NeuronsMembrane PotentialsMice, Inbred C57BLMice, KnockoutVesicular Inhibitory Amino Acid Transport ProteinsRats, WistarGreen Fluorescent ProteinsTetrodotoxinAmino Acid Transport System X-AGGABAergic NeuronsDentate GyrusReceptors, PresynapticTime FactorsIntracellular Signaling Peptides and ProteinsReceptors, GABA-ANerve FibersCalcium-Calmodulin-Dependent Protein Kinase Type 2Microscopy, ImmunoelectronCannabinoid Receptor ModulatorsSynapsinsCalciumReceptors, GABA-BNeural Cell Adhesion MoleculesThalamusGlutamatesEndocannabinoidsReceptor-Like Protein Tyrosine Phosphatases, Class 2Interleukin-1 Receptor Accessory ProteinAfferent PathwaysRats, Long-EvansImmunohistochemistryBrainProtein Transport