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Does being a bookworm boost your brainpower in old age?

Date:
July 4, 2013
Source:
American Academy of Neurology (AAN)
Summary:
New research suggests that reading books, writing and participating in brain-stimulating activities at any age may preserve memory.

New research suggests that reading books, writing and participating in brain-stimulating activities at any age may preserve memory.
Credit: Andres Rodriguez / Fotolia

New research suggests that reading books, writing and participating in brain-stimulating activities at any age may preserve memory. The study is published in the July 3, 2013, online issue of Neurology, the medical journal of the American Academy of Neurology.

"Our study suggests that exercising your brain by taking part in activities such as these across a person's lifetime, from childhood through old age, is important for brain health in old age," said study author Robert S. Wilson, PhD, with Rush University Medical Center in Chicago.

For the study, 294 people were given tests that measured memory and thinking every year for about six years before their deaths at an average age of 89. They also answered a questionnaire about whether they read books, wrote and participated in other mentally stimulating activities during childhood, adolescence, middle age and at their current age.

After they died, their brains were examined at autopsy for evidence of the physical signs of dementia, such as lesions, brain plaques and tangles.

The research found that people who participated in mentally stimulating activities both early and late in life had a slower rate of decline in memory compared to those who did not participate in such activities across their lifetime, after adjusting for differing levels of plaques and tangles in the brain. Mental activity accounted for nearly 15 percent of the difference in decline beyond what is explained by plaques and tangles in the brain.

"Based on this, we shouldn't underestimate the effects of everyday activities, such as reading and writing, on our children, ourselves and our parents or grandparents," said Wilson.

The study found that the rate of decline was reduced by 32 percent in people with frequent mental activity in late life, compared to people with average mental activity, while the rate of decline of those with infrequent activity was 48 percent faster than those with average activity.

The study was supported by the National Institute on Aging and the Illinois Department of Public Health.


Story Source:

The above story is based on materials provided by American Academy of Neurology (AAN). Note: Materials may be edited for content and length.


Journal Reference:

  1. R. S. Wilson, P. A. Boyle, L. Yu, L. L. Barnes, J. A. Schneider, D. A. Bennett. Life-span cognitive activity, neuropathologic burden, and cognitive aging. Neurology, 2013; DOI: 10.1212/WNL.0b013e31829c5e8a

Cite This Page:

American Academy of Neurology (AAN). "Does being a bookworm boost your brainpower in old age?." ScienceDaily. ScienceDaily, 4 July 2013. <www.sciencedaily.com/releases/2013/07/130704094454.htm>.
American Academy of Neurology (AAN). (2013, July 4). Does being a bookworm boost your brainpower in old age?. ScienceDaily. Retrieved July 27, 2014 from www.sciencedaily.com/releases/2013/07/130704094454.htm
American Academy of Neurology (AAN). "Does being a bookworm boost your brainpower in old age?." ScienceDaily. www.sciencedaily.com/releases/2013/07/130704094454.htm (accessed July 27, 2014).

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