MemoryImmunologic MemoryMemory DisordersMemory, Short-TermMemory, Long-TermMemory, EpisodicMental RecallTime FactorsNeuropsychological TestsMaze LearningRetention (Psychology)Recognition (Psychology)HippocampusLearningAssociation LearningAnalysis of VarianceVerbal LearningAmnesiaFearCognitionMagnetic Resonance ImagingSpatial BehaviorReaction TimeBrainMice, Inbred C57BLAvoidance LearningConditioning (Psychology)CD8-Positive T-LymphocytesCognition DisordersPsychomotor PerformanceBehavior, AnimalAgingAttentionConditioning, ClassicalBrain MappingTreatment OutcomeNeuronal PlasticityPrefrontal CortexCalciumCuesPhotic StimulationCells, CulturedAmygdalaTemporal LobeCD4-Positive T-LymphocytesRepression, PsychologyNeuronsMice, TransgenicAmnesia, RetrogradeLymphocyte ActivationPattern Recognition, VisualLong-Term PotentiationRats, Sprague-DawleyFollow-Up StudiesVisual PerceptionExploratory BehaviorPaired-Associate LearningT-Lymphocyte SubsetsMolecular Sequence DataMushroom BodiesVital CapacityModels, BiologicalMice, KnockoutExecutive FunctionAutobiography as TopicSignal TransductionModels, NeurologicalProspective StudiesImage Processing, Computer-AssistedRats, Long-EvansEmotionsDisease Models, AnimalKineticsLearning DisordersCell DifferentiationOxygenAlzheimer DiseaseNeural PathwaysDose-Response Relationship, DrugReproducibility of ResultsFunctional LateralityAge FactorsThapsigarginNerve NetFlow CytometryTask Performance and AnalysisRats, WistarMotor ActivityExtinction, PsychologicalCerebral CortexAmnesia, AnterogradeSemanticsPulmonary Diffusing CapacityScopolamine HydrobromideSynapsesElectroshockB-Lymphocytes