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Mental fatigue limits an individual's ability to engage in physical activity

I found a short article titled "Physical Endurance Can Be Affected By Mental Fatigue" and I think the information is interesting. Two groups were tested. One of the two groups was given an hour and a half long task, the purpose of which was to make them mentally tired. The second group simply watched documentaries for the same length of time (they must have picked good ones, because sometimes these are very tiring).

After the two groups finished with their non-physical activities (watching documentaries that did not produce mental chronic fatigue or being forced to engage in mental exercises that produced mental fatigue), they were put on stationary bikes to exercise. Both groups continued to exercise until they reached their exhaustion point. The group that started off mentally fatigued, however, reached their exhaustion point, as a group, 15 percent earlier.

The authors of this research study concluded that mental fatigue limits an individual's ability to engage in physical activity. Of course, this is something that many, or most of us, may have realized a long time ago, simply through life experience. In my own case, I hardly feel like cutting the grass--spring time approacheth--after I've been listening to my father-in-law wax eloquently on the escapades of his youth for several hours (in fact, at that point, I don't even know if I could get the mower started, let alone finish the job).

Still, seeing what we may intuitively know validated in a study is useful. This was interesting: These same researchers believe that mental fatigue lowers dopamine levels in the brain. Dopamine is a neurotransmitter, a chemical messenger, that's involved in effort and motivation.

Return to:  Social Security Disability Resource Center, or read answers to Questions

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Information on the following topics can be found here: Social Security Disability Questions and in these subsections:

Frequently asked questions about getting Denied for Disability Benefits | FAQ on Disability Claim Representation | Info about Social Security Disability Approvals and Being Approved | FAQ on Social Security Disability SSI decisions | The SSD SSI Decision Process and what gets taken into consideration | Disability hearings before Judges | Medical exams for disability claims | Applying for Disability in various states | Selecting and hiring Disability Lawyers | Applying for Disability in North Carolina | Recent articles and answers to questions about SSD and SSI

These pages provide answers to basic questions about pursuing disability benefits

Disability lawyer fee - what does an attorney cost?
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How to Apply for Disability - What medical conditions
When You File an SSI or Social Security Disability Application
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Social Security Disability SSDI SSI Tips
Proving Social Security Disability for a mental condition
SSDI SSI Eligibility Requirements and Criteria
Qualifying for disability benefits (SSDI or SSI)
How does a person qualify for SSDI or SSI disability, how are they eligible?