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- Title
Physical Activity Improves Verbal and Spatial Memory in Older Adults with Probable Mild Cognitive Impairment: A 6-Month Randomized Controlled Trial.
- Authors
Nagamatsu, Lindsay S.; Chan, Alison; Davis, Jennifer C.; Beattie, B. Lynn; Graf, Peter; Voss, Michelle W.; Sharma, Devika; Liu-Ambrose, Teresa
- Abstract
We report secondary findings froma randomized controlled trial on the effects of exercise on memory in older adults with probable MCI.We randomized 86 women aged 70-80 years with subjectivememory complaints into one of three groups: resistance training, aerobic training, or balance and tone (control). All participants exercised twice per week for six months. We measured verbal memory and learning using the Rey Auditory Verbal Learning Test (RAVLT) and spatial memory using a computerized test, before and after trial completion. We found that the aerobic training group remembered significantly more items in the loss after interference condition of the RAVLT compared with the control group after six months of training. In addition, both experimental groups showed improved spatial memory performance in the most difficult condition where they were required to memorize the spatial location of three items, compared with the control group. Lastly, we found a significant correlation between spatial memory performance and overall physical capacity after intervention in the aerobic training group. Taken together, our results provide support for the prevailing notion that exercise can positively impact cognitive functioning and may represent an effective strategy to improve memory in those who have begun to experience cognitive decline.
- Subjects
BRITISH Columbia; AEROBIC exercises; CHI-squared test; COGNITION disorders; MEMORY; QUESTIONNAIRES; RESEARCH funding; RANDOMIZED controlled trials; GERIATRIC Depression Scale; DATA analysis software; DESCRIPTIVE statistics
- Publication
Journal of Aging Research, 2013, p1
- ISSN
2090-2204
- Publication type
Article
- DOI
10.1155/2013/861893