期刊
BEHAVIOURAL BRAIN RESEARCH
卷 322, 期 -, 页码 191-205出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbr.2016.05.008
关键词
Aging; Alzheimer's disease; Cognition; Hippocampus; Molecular mechanisms
资金
- VA Merit Award [BX001638]
- NIH [NS094154, AG033514]
- National Science Foundation Graduate Research Fellowship
As the population of people aged 60 or older continues to rise, it has become increasingly important to understand the molecular basis underlying age-related cognitive decline. In fact, a better understanding of aging biology will help us identify ways to maintain high levels of cognitive functioning throughout the aging process. Many cellular and molecular aspects of brain aging are shared with other organ systems; however, certain age-related changes are unique to the nervous system due to its structural, cellular and molecular complexity. Importantly, the brain appears to show differential changes throughout the aging process, with certain regions (e.g. frontal and temporal regions) being more vulnerable than others (e.g. brain stem). Within the medial temporal lobe, the hippocampus is especially susceptible to age-related changes. The important role of the hippocampus in age-related cognitive decline and in vulnerability to disease processes such as Alzheimer's disease has prompted this review, which will focus on the complexity of changes that characterize aging, and on the molecular connections that exist between normal aging and Alzheimer's disease. Finally, it will discuss behavioral interventions and emerging insights for promoting healthy cognitive aging. (C) 2016 Elsevier B.V. All rights reserved.
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