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Patient Page |
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 Top. Patient Page About Memory Loss and... |
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What is menopause? Menopause is the change in women around the age of 50 when their periods stop. In this change, women’s ovaries stop making the female hormones estrogen and progesterone. The most common symptoms are irregular menstrual periods, hot flashes, and night sweats. Some say that their memory is worse. Some have a lot of worry and feel depressed. More information about memory loss can be found on the next page.
What can be done about menopause? Doctors may suggest treatments for menopause. Women may be told to work out more and to change their diets. They may be told to eat a healthier diet and to add calcium-rich foods, soybean products, and whole grains. A stress control group or class may help. Some doctors prescribe hormone replacement therapy.
What is hormone replacement therapy? In hormone replacement therapy (HRT), women take pills that contain what women lose in menopause. Whereas this may help with symptoms, recent studies found problems with HRT. HRT may slightly raise the risk of certain types of cancer. Women should talk with their doctors about HRT so they can make the best choice for long-term health.
Is there a link between menopause and brain function? Estrogen is a key element in the work of the brain. It is part of the brain’s signaling system. Studies have shown that estrogen helps direct blood to parts of the brain that are more active. The idea that female hormones are needed for the brain to work well is backed up by reports that some have more memory problems after menopause. Also, some studies have found that HRT may make the brain work better.
A test of brain function in menopause The authors studied over 800 women every year for 6 years. Only women not on HRT were in the study. The women were given tests of brain function every year. The study’s goal was to find out if women in later stages of menopause did worse on tests of brain function.
How to measure loss of brain function? Brain function may be measured in many ways. The study by Meyer et al. looked at how fast the women could match figures and reverse a string of numbers from memory. These two tests are often used to find other problems of brain function. To be sure that factors besides menopause did not cause changes, the study included women from different groups. A balance of black and white women was in the study. Also, people in the study had different levels of health, education, and income.
What was found? The study looked at change in test scores over 6 years. Scores were compared for women in premenopause, during menopause, and postmenopause groups. If menopause harms brain function, the test scores should have gone down the most for the postmenopause group, less for the group in menopause, and not at all for the group not yet in menopause. But the study did not find that pattern of decline. In fact, most groups improved their scores over time. In those groups that did go down, the size of the decline was so small that it could not be linked to menopause.
What does this mean? This study looked at a wide range of women over 6 years and did not find worse brain abilities in women during or after menopause. This finding does not fit with what women have reported about memory loss after menopause. It also does not fit with what we know about estrogen’s role in the brain. What does this study mean when we consider these other things we know about menopause? It may be that the brain does not need the hormones as much as we think. Maybe the tests used in study did not measure the brain function that depends on the lost hormones. It may be that the women got better scores on the tests because they practiced taking them. Perhaps their brains were not working as well, but they learned how to take the tests better. More research is needed to answer these and other questions about the effects of menopause on the brain.
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About Memory Loss and Aging |
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Top.Patient PageAbout Memory Loss and... |
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Working memory involves doing two things at once. Studies show this type of memory is also affected by aging. For example, think about trying to subtract two big numbers in your head. You need to hold the numbers in your memory at the same time that you are making computations involving ‘borrowing.‘ When you focus on the subtraction process, you may forget the original numbers you were working with. This seems to create a drain on your memory capacity, or a kind of overload.
What causes memory loss? Scientists who study memory have many ideas about the causes of memory changes with age. Experts agree that memory problems in later life are due to a combination of things. These include chemical changes in the brain that occur with aging, a slowing of the brain’s information processing abilities, certain diseases, and the use of certain medications. Another reason may be simple disuse. Table 1 lists common reasons why people have trouble remembering things.
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When you do not pay attention, you are not likely to register information in the first place. Paying attention takes effort. Think of the times you rush out the door, forgetting something. Perhaps you need to slow down and pause. For example, do you ever wonder whether you have already done something, such as turning the oven off or turning the light out in the basement? To increase your ability to remember, you need to pay attention to what you are doing, so that it will register in your memory.
In one study, researchers found that people were less likely to develop dementia if they participated in some type of leisure time activity. The chances of developing dementia got lower with each additional activity a person participated in. To lower your chances of developing severe memory loss, the more activities you are involved in throughout your life, the lower your risk may be. This suggests that just as with physical health, a healthy memory requires you to use it or lose it!
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For more information American Academy of Neurology Foundation, www.thebrainmatters.org
American Academy of Neurology, www.aan.com
The American Geriatrics Society, www.americangeriatrics.org
Related articles in Neurology:
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