Behavior, AnimalFeeding BehaviorNeuronsSocial BehaviorHealth BehaviorBehaviorSexual BehaviorSexual Behavior, AnimalBrainExploratory BehaviorChild BehaviorNeuronal PlasticityAdolescent BehaviorHippocampusNerve Tissue ProteinsMaternal BehaviorChild Behavior DisordersRats, Sprague-DawleyBehavior TherapyStereotyped BehaviorCerebral CortexMotor ActivityTime FactorsCells, CulturedNitric Oxide Synthase Type IAggressionChoice BehaviorAgonistic BehaviorRisk-TakingNesting BehaviorNeuronal Ceroid-LipofuscinosesAction PotentialsCell DeathAnalysis of VarianceNeurogliaSelf-Injurious BehaviorImmunohistochemistryMice, Inbred C57BLAppetitive BehaviorAnimals, NewbornModels, NeurologicalNeuritesNerve NetCell DifferentiationNerve DegenerationSignal TransductionDisease Models, AnimalPredatory BehaviorSocial Behavior DisordersNeurogenesisAxonsModels, BiologicalBehavior, AddictivePC12 CellsMice, KnockoutDrinking BehaviorSynapsesImpulsive BehaviorSynaptic TransmissionNeuropeptidesElectrophysiologyAstrocytesDendritesCerebellumMice, TransgenicIllness BehaviorCompulsive BehaviorNeuroprotective AgentsGlutamic AcidDose-Response Relationship, DrugNeural PathwaysMolecular Sequence DataConsummatory BehaviorRisk Reduction BehaviorQuestionnairesMutationMaze LearningSpinal CordGroomingCell SurvivalNervous SystemGene Expression Regulation, DevelopmentalElectric StimulationLocomotionEscape ReactionAnxietyReinforcement (Psychology)ProsencephalonDopamineGene Expression RegulationNerve Growth FactorsRats, Long-EvansSwimmingInfant BehaviorSpatial BehaviorMotor NeuronsRats, WistarReceptors, N-Methyl-D-AspartateLearningAttention Deficit and Disruptive Behavior Disorders