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Do Benefits of Thinking Differ Between Men and Women?

admin by admin
December 7, 2022
in News


“We found that greater physical activity was associated with greater thinking speed reserve in women, but not in men,” said study author Judy Pa, PhD, of the University of California, San Diego. “Taking part in more mental activities was associated with greater thinking speed reserve for both men and women.”

As such, greater physical activity was not associated with memory reserve in men or women.


The study involved 758 people with an average age of 76. Some had no thinking or memory problems, some had mild cognitive impairment and some had dementia. The participants had brain scans and took thinking speed and memory tests. To calculate cognitive reserve, people’s thinking tests scores were compared against the changes in the brain associated with dementia, such as the total volume of the hippocampus, a key brain region impacted by Alzheimer’s disease.

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People were also asked about their usual weekly physical activity. For mental activity, they were asked whether they participated in three types of activities in the past 13 months: reading magazines, newspapers, or books; going to classes; and playing cards, games, or bingo. They were given one point for each type of activity, for a maximum of three points.

For mental activity involving memory, participants averaged 1.4 points. For physical activity, participants took part in an average of at least 15 minutes per week of activities that elevate heart rates such as brisk walking and biking.

Pa said that each additional mental activity people participated in corresponded to 13 fewer years of aging in their processing speed in their thinking skills — 17 years among men and 10 years among women.

“As we have arguably few-to-no effective treatments for Alzheimer’s disease, prevention is crucial. An ounce of prevention is worth a pound of treatment,” Pa said. “To know that people could potentially improve their cognitive reserve by taking simple steps such as going to classes at the community center, playing bingo with their friends or spending more time walking or gardening is very exciting.”

Pa said that based on the effect sizes seen in the study, a doubling of the amount of physical activity would be equivalent to an estimated 2.75 fewer years of aging when it comes to women’s processing speed in their thinking skills.

Researchers also looked at whether the relationship between physical and mental activities and cognitive reserve was affected by the gene that carries the strongest risk for Alzheimer’s, called APOE e4. They found that for women, having the gene, lessens the effects of the beneficial relationship between physical and mental activities and cognitive reserve.

The study does not prove that physical and mental activities help improve cognitive reserve and only an association is shown.

A limitation of the study was that people reported their own physical and mental activities, so they may not have remembered correctly in their memory. Also, structural and societal factors that affect cognitive reserve, such as education, were not measured in the study.

The study was supported by the National Institute on Aging and the National Center for Advancing Translational Sciences.

Source: Eurekalert



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Tags: Memorymen and womenmentalphysicalthinking
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