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Pessimists may Develop More Memory Problems
June 12, 2007 at 12:25 PM
Mental Health News
In the study, those who most often experience negative emotions such as depression and anxiety were 40 percent more likely to develop mild cognitive impairment than those who were least prone to negative emotions. Mild cognitive impairment is a transitional stage between normal aging and dementia. People with mild cognitive impairment have mild memory or cognitive problems, but have no significant disability.
Researchers analyzed the results from two larger studies, the Religious Orders Study and the Memory and Aging Project, which involved 1,256 people with no cognitive impairment. During up to 12 years of follow-up, 482 people developed mild cognitive impairment.
Participants were evaluated on their level of proneness to distress and negative emotions by rating their level of agreement with statements such as 'I am not a worrier,' I often feel tense and jittery,' and 'I often get angry at the way people treat me.'
'People differ in how they tend to experience and deal with negative emotions and psychological distress, and the way people respond tends to stay the same throughout their adult lives,' said study author Robert S. Wilson, PhD, of Rush University Medical Center in Chicago, IL. 'These findings suggest that, over a lifetime, chronic experience of stress affects the area of the brain that governs stress response. Unfortunately, that part of the brain also regulates memory.'
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