期刊
AMERICAN JOURNAL OF GERIATRIC PSYCHIATRY
卷 20, 期 3, 页码 266-275出版社
ELSEVIER SCIENCE INC
DOI: 10.1097/JGP.0b013e3182107e24
关键词
Anxiety; depression; cognition; learning; memory; processing efficiency theory; healthy older adults
资金
- CogState, Ltd., Melbourne, Australia
- Clinical Neurosciences Division of the National Center for Posttraumatic Stress Disorder, VA Connecticut Healthcare System, West Haven, Connecticut
- CogState, Ltd.
Objective: Theoretical models of cognitive aging are increasingly recognizing the importance of anxiety and depressive symptoms in predicting age-related cognitive changes and early dementia. This study examined the association between mild worry and depressive symptoms, and cognitive function in healthy, community-dwelling older adults. Method: A total of 263 healthy older adults participated in an observational prospective cohort study that assessed worry and depression symptoms, and a broad range of cognitive functions over a 2-year period. Results: Older adults with mildly elevated worry symptoms at baseline performed worse than older adults with minimal worry symptoms on measures of visual and paired associate learning. They were also more likely to show clinically significant (> 1.5 standard deviation) decline in visual learning and memory at a 2-year follow-up assessment (9.4% versus 2.5%; odds ratio = 3.8). Conclusion: Assessment of worry symptoms, even mild levels, may have utility in predicting early cognitive decline in healthy, community-dwelling older adults. (Am J Geriatr Psychiatry 2012; 20:266-275)
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