MemoryMemory DisordersMemory, Short-TermImmunologic MemoryMemory, Long-TermMemory, EpisodicNeuropsychological TestsCognition DisordersMental RecallMild Cognitive ImpairmentMaze LearningHippocampusRecognition (Psychology)AmnesiaRetention (Psychology)CognitionLearningVerbal LearningAssociation LearningBrainMagnetic Resonance ImagingSpatial BehaviorAnalysis of VarianceFearAvoidance LearningReaction TimePsychomotor PerformanceAlzheimer DiseaseAgingTime FactorsBehavior, AnimalConditioning (Psychology)AttentionMice, Inbred C57BLBrain MappingLearning DisordersTemporal LobePrefrontal CortexExecutive FunctionCD8-Positive T-LymphocytesConditioning, ClassicalDementiaCuesAmygdalaPhotic StimulationNeuronal PlasticityLong-Term PotentiationExploratory BehaviorAmnesia, RetrogradeScopolamine HydrobromideLanguage DisordersPattern Recognition, VisualMice, TransgenicRepression, PsychologyVisual PerceptionCD4-Positive T-LymphocytesNeuronsPaired-Associate LearningDisease Models, AnimalFunctional LateralityVision DisordersMice, KnockoutVisually Impaired PersonsCerebral CortexRats, Long-EvansSeverity of Illness IndexEmotionsFrontal LobeWechsler ScalesMushroom BodiesAmnesia, AnterogradeTask Performance and AnalysisNeural PathwaysRats, Sprague-DawleyImage Processing, Computer-AssistedMental Status ScheduleMotor ActivityAtrophyVerbal BehaviorSemanticsT-Lymphocyte SubsetsLymphocyte ActivationAutobiography as TopicLanguage TestsSchizophreniaElectroencephalographyHearing LossElectroshockNootropic AgentsParietal LobeCase-Control StudiesDiscrimination LearningNerve NetAge FactorsIntelligenceActivities of Daily LivingSmellLanguage Development DisordersExtinction, PsychologicalPsychiatric Status Rating Scales