NeuronsNeuronal PlasticitySynapsesSynaptic TransmissionRats, Sprague-DawleyCells, CulturedHippocampusLong-Term PotentiationBrain-Derived Neurotrophic FactorBrainNerve Tissue ProteinsReceptors, N-Methyl-D-AspartateLearningMemoryBehavior, AnimalCerebral CortexGAP-43 ProteinDendritic SpinesDendritesSignal TransductionExcitatory Postsynaptic PotentialsElectric StimulationTime FactorsMice, Inbred C57BLCalciumGene Expression RegulationAnimals, NewbornNeurogenesisAmygdalaNeuritesAction PotentialsNerve NetMice, KnockoutNeural PathwaysNeuropeptidesReceptors, AMPAConditioning, ClassicalDentate GyrusRats, WistarPC12 CellsCyclic AMP Response Element-Binding ProteinImmunohistochemistryAxonsMice, TransgenicAnalysis of VarianceNerve Growth FactorsElectrophysiologyExcitatory Amino Acid AntagonistsMaze LearningDisease Models, AnimalPhosphorylationPresynaptic TerminalsCalcium-Calmodulin-Dependent Protein Kinase Type 2Molecular Sequence DataReceptor, trkBGlutamic AcidSpinal CordNeural InhibitionPatch-Clamp TechniquesProto-Oncogene Proteins c-fosCerebellumPyramidal CellsFearConditioning (Psychology)N-MethylaspartateRNA, MessengerNeurotransmitter AgentsVisual CortexMutationMotor ActivityGreen Fluorescent ProteinsReceptors, GlutamateGlial Fibrillary Acidic ProteinDose-Response Relationship, DrugKainic AcidCalcium SignalingSensory DeprivationModels, NeurologicalSeizuresAgingMembrane PotentialsLong-Term Synaptic DepressionEnzyme InhibitorsEnzyme ActivationBlotting, WesternMembrane ProteinsCell DifferentiationDopaminePrefrontal CortexEthanolTranscription, GeneticDominance, OcularSerotoninCell LineNitric Oxide Synthase Type IAlzheimer DiseaseUp-RegulationRecovery of FunctionCell DeathCocaine