Neuronal Plasticityras GTPase-Activating Proteinsras Proteinsp120 GTPase Activating ProteinGTPase-Activating ProteinsLong-Term PotentiationGTP PhosphohydrolasesProto-Oncogene Proteins p21(ras)SynapsesNeurofibromin 1HippocampusGenes, rasSynaptic TransmissionLong-Term Synaptic DepressionCell MembraneMembranesExcitatory Postsynaptic PotentialsSignal TransductionMembrane LipidsProteinsNeuronsReceptors, N-Methyl-D-AspartateIntracellular MembranesMembrane PotentialsMolecular Sequence DataDendritic SpinesAmino Acid SequenceReceptors, AMPAMembranes, ArtificialLearningMemoryElectric StimulationDendritesPatch-Clamp TechniquesRats, Sprague-DawleyErythrocyte MembraneMembrane FluidityProtein TransportOncogene Protein p21(ras)Nerve Tissue ProteinsCA1 Region, HippocampalBrain-Derived Neurotrophic FactorCells, CulturedModels, NeurologicalCalciumCell Membrane PermeabilityPyramidal CellsMaze LearningMutationMice, Inbred C57BLTime FactorsExcitatory Amino Acid AntagonistsMice, KnockoutElectrophysiologyProtein BindingGuanosine TriphosphateBasement MembraneCalcium-Calmodulin-Dependent Protein Kinase Type 2Action PotentialsPresynaptic TerminalsModels, BiologicalFearProtein Structure, TertiaryCell LineDentate GyrusGTP-Binding ProteinsSynaptic MembranesBrainNeural InhibitionOrgan Culture TechniquesReceptors, Metabotropic Glutamaterho GTP-Binding ProteinsBehavior, Animalrab GTP-Binding ProteinsCarrier ProteinsAnimals, NewbornSynaptic PotentialsRats, WistarMembrane GlycoproteinsGreen Fluorescent ProteinsAmygdalaConditioning (Psychology)Glutamic AcidMonomeric GTP-Binding ProteinsMembrane Transport ProteinsConditioning, Classical2-Amino-5-phosphonovalerateMicroscopy, ElectronNeural PathwaysRecombinant Fusion ProteinsEnzyme ActivationGuanine Nucleotide Exchange FactorsNerve NetMice, TransgenicReceptor, trkBCerebral CortexGene Expression Regulationrac1 GTP-Binding ProteinPerforant PathwayN-Methylaspartate