MemoryMemory DisordersMemory, Short-TermImmunologic MemoryMemory, Long-TermBrain ChemistryMemory, EpisodicBrain InjuriesBrain MappingBrain NeoplasmsBrainMental RecallMagnetic Resonance ImagingHippocampusNeuropsychological TestsMaze LearningRecognition (Psychology)Brain EdemaRetention (Psychology)Brain StemBrain IschemiaNeuronsCognitionLearningCerebral CortexAssociation LearningAmnesiaVerbal LearningFearBehavior, AnimalAnalysis of VarianceTime FactorsReaction TimeMice, Inbred C57BLBrain AbscessSpatial BehaviorCognition DisordersPsychomotor PerformanceRats, Sprague-DawleyConditioning (Psychology)Prefrontal CortexAgingImage Processing, Computer-AssistedAmygdalaAlzheimer DiseaseTemporal LobeAvoidance LearningHypoxia, BrainNeuronal PlasticityBrain Damage, ChronicPhotic StimulationCD8-Positive T-LymphocytesNeural PathwaysBlood-Brain BarrierNerve NetCuesMice, TransgenicConditioning, ClassicalFunctional LateralityElectroencephalographyDisease Models, AnimalFrontal LobeAttentionModels, NeurologicalNerve Tissue ProteinsMice, KnockoutVisual PerceptionExploratory BehaviorLong-Term PotentiationPattern Recognition, VisualRepression, PsychologyBrain InfarctionMushroom BodiesRats, WistarRats, Long-EvansAmnesia, RetrogradeCD4-Positive T-LymphocytesDeep Brain StimulationParietal LobeEmotionsBrain WavesExecutive FunctionPaired-Associate LearningAnimals, NewbornLearning DisordersAtrophyCerebrovascular CirculationAutobiography as TopicSynapsesCells, CulturedCerebellumImmunohistochemistryTissue DistributionT-Lymphocyte SubsetsTask Performance and AnalysisElectroshockAmyloid beta-PeptidesSmellRNA, MessengerScopolamine Hydrobromide