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July 03, 2013

Does Being a Bookworm Boost Your Brainpower in Old Age?
 

(CHICAGO) New research results from a study by neurological researchers from Rush University Medical Center suggest that reading books, writing and participating in brain-stimulating activities at any age may preserve memory.

The study recently was published in the online issue of Neurology, a publication of the American Academy of Neurology.

“Our study suggests that exercising your brain by taking part in these activities is important across a person’s lifetime, from infancy through old age,” said Robert S. Wilson, PhD, the lead author of the study and neuropsychologist at the Rush Alzheimer’s Disease Center.

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.

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Contact:  Deb Song
312-942-0588
deb_song@rush.edu

 


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