Mice, Inbred C57BLAttention Deficit Disorder with HyperactivityMice, TransgenicBrainAnimals, NewbornMemory DisordersAgingMice, KnockoutMaze LearningDisease Models, AnimalCognition DisordersBehavior, AnimalNeuropsychological TestsNeuronsHippocampusMice, Inbred StrainsLearning DisordersTime FactorsMemoryAnalysis of VarianceCell DifferentiationNeurogenesisImmunohistochemistryAge FactorsMotor ActivityStem CellsSchizophreniaPerceptual DisordersGene Expression Regulation, DevelopmentalRNA, MessengerDentate GyrusCells, CulturedMice, Inbred BALB CNerve Tissue ProteinsMice, Inbred ICRGene Expression RegulationMagnetic Resonance ImagingPsychomotor PerformanceIn Situ HybridizationEmbryo, MammalianStartle ReactionProsencephalonCognitionCell CountExploratory BehaviorLateral VentriclesReaction TimeCerebral CortexMice, Mutant StrainsPhenotypeSchizophrenic PsychologyAttentionCell ProliferationTestisNeural Stem CellsOlfactory BulbMemory, Short-TermGreen Fluorescent ProteinsGene ExpressionPregnancyNeuronal PlasticityEpendymaBromodeoxyuridineSpatial BehaviorLearningDyslexiaTissue DistributionMice, 129 StrainOrgan SpecificityBase SequenceMolecular Sequence DataFearSignal TransductionSpleenRotarod Performance TestAvoidance LearningReverse Transcriptase Polymerase Chain ReactionAdult Stem CellsCerebellumNervous System DiseasesSensation DisordersCorpus StriatumMovement DisordersBrain InjuriesAuditory Perceptual DisordersGene DeletionRecognition (Psychology)Rats, Sprague-DawleyIntegrasesCell LineageFetusFunctional LateralityExecutive FunctionSpinal CordThymus GlandConditioning (Psychology)Prenatal Exposure Delayed EffectsDose-Response Relationship, DrugSynapsesAlzheimer Disease