Presynaptic TerminalsReceptors, PresynapticSynapsesSynaptic TransmissionExcitatory Postsynaptic PotentialsSynaptic VesiclesNeurotransmitter AgentsNeural InhibitionElectric StimulationNeuronsNeuromuscular JunctionPatch-Clamp TechniquesHippocampusNeuronal PlasticityGlutamic Acidgamma-Aminobutyric AcidAction PotentialsReceptors, GABA-BSynaptic MembranesCalciumRats, Sprague-DawleyNerve EndingsSynaptosomesMossy Fibers, HippocampalExcitatory Amino Acid AntagonistsSynaptophysinSynapsinsInhibitory Postsynaptic PotentialsBaclofenElectrophysiologyNerve Tissue ProteinsLong-Term PotentiationCalcium Channels, N-TypeGABA AntagonistsSynaptic PotentialsInterneuronsAxonsMotor NeuronsReceptors, Metabotropic GlutamateMiniature Postsynaptic PotentialsPyridinium CompoundsTetrodotoxinPyramidal CellsDendritesMembrane Potentials6-Cyano-7-nitroquinoxaline-2,3-dioneAstacoideaExcitatory Amino Acid AgonistsRats, WistarAnimals, Newbornomega-Conotoxin GVIAReceptors, N-Methyl-D-AspartateNeurons, AfferentReceptors, AMPABrain StemAplysiaCalcium ChannelsGABA AgonistsAutoreceptorsVesicular Glutamate Transport Protein 1Phosphinic AcidsExocytosisGABA-B Receptor AntagonistsCalcium Channels, Q-TypeReceptors, GlutamateCalcium Channels, P-TypeReceptors, Kainic AcidPurkinje CellsGABA-B Receptor AgonistsSpider VenomsLong-Term Synaptic DepressionOrgan Culture TechniquesCalcium Channel BlockersCerebellumModels, NeurologicalDopamineCells, CulturedSpinal CordAfferent PathwaysAcetylcholineNorepinephrineReceptors, GABA-ADecapodiformesQuinoxalines2-Amino-5-phosphonovalerateNeocortexomega-Agatoxin IVABicucullineH-ReflexTime FactorsLampreysSynaptotagminsVesicular Inhibitory Amino Acid Transport Proteinsrab3A GTP-Binding ProteinGlycineNeural PathwaysExcitatory Amino Acid AgentsCorpus StriatumSynaptosomal-Associated Protein 25Calcium Signaling