Glutamic AcidNeurotransmitter AgentsReceptors, GlutamateAmino Acid Transport System X-AGAmino Acid Transport Systems, AcidicGlutamatesNeuronsExcitatory Amino Acid AntagonistsReceptors, N-Methyl-D-AspartateSynaptic TransmissionVesicular Glutamate Transport ProteinsReceptors, AMPASynapsesgamma-Aminobutyric AcidExcitatory Amino Acid Transporter 2AstrocytesRats, Sprague-DawleyReceptors, Metabotropic GlutamateBrainHippocampusGlutamineVesicular Glutamate Transport Protein 2Excitatory Postsynaptic PotentialsGABA AntagonistsVesicular Glutamate Transport Protein 1Glutamate Plasma Membrane Transport ProteinsGABA AgonistsN-MethylaspartateExcitatory Amino Acid Agonistsalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidKainic AcidExcitatory Amino Acid Transporter 3Receptors, Kainic AcidPatch-Clamp TechniquesSynaptic VesiclesGlutamate DehydrogenaseGABA AgentsDizocilpine MaleateCerebral CortexMembrane PotentialsExcitatory Amino AcidsReceptors, GABA-ARats, WistarNeural InhibitionCalciumGABA Plasma Membrane Transport ProteinsGlycineCells, CulturedAnimals, NewbornGABA ModulatorsPresynaptic TerminalsReceptors, NeurotransmitterElectric StimulationReceptors, GABA-BDose-Response Relationship, Drug