MemoryMemory DisordersImmunologic MemoryMemory, Short-TermMemory, Long-TermMemory, EpisodicMental RecallTime FactorsNeuropsychological TestsMaze LearningRecognition (Psychology)Retention (Psychology)HippocampusLearningAssociation LearningFollow-Up StudiesAnalysis of VarianceFearAmnesiaVerbal LearningCognitionReaction TimeMagnetic Resonance ImagingBrainSpatial BehaviorAvoidance LearningLong-Term CareConditioning (Psychology)Behavior, AnimalCognition DisordersTreatment OutcomeCD8-Positive T-LymphocytesPsychomotor PerformanceMice, Inbred C57BLAttentionAgingConditioning, ClassicalBrain MappingCuesPhotic StimulationLong-Term PotentiationPrefrontal CortexRepression, PsychologyAmygdalaNeuronal PlasticityTemporal LobeTerm BirthCD4-Positive T-LymphocytesProspective StudiesNeuronsPattern Recognition, VisualExploratory BehaviorAmnesia, RetrogradeAge FactorsVisual PerceptionEmotionsRetrospective StudiesMolecular Sequence DataMice, TransgenicPaired-Associate LearningRats, Long-EvansT-Lymphocyte SubsetsFunctional LateralityLymphocyte ActivationExecutive FunctionMushroom BodiesRats, Sprague-DawleyImage Processing, Computer-AssistedAutobiography as TopicCells, CulturedElectroencephalographyAlzheimer DiseaseMice, KnockoutPregnancyLearning DisordersInfant, NewbornCerebral CortexNeural PathwaysDisease Models, AnimalRisk FactorsSemanticsTask Performance and AnalysisNerve NetElectroshockDiscrimination LearningModels, NeurologicalModels, BiologicalFrontal LobeBase SequenceExtinction, PsychologicalScopolamine HydrobromideSmellRecurrenceOdorsLongitudinal StudiesAmnesia, AnterogradeCase-Control StudiesRats, WistarB-LymphocytesChronic Disease