I just thought this was interesting
ScienceDaily (May 26, 2009) — The largest study of its kind to date shows that women may not be able to learn as well shortly before menopause compared to other stages in life. The research is published in the May 26, 2009, print issue of Neurology®, the medical journal of the American Academy of Neurology. For a four-year period, researchers studied 2,362 women, who were between the ages of 42 and 52 had at least one menstrual period in the three months before the study started. The women were given three tests: verbal memory, working memory and a test that measured the speed at which they processed information. Scientists tested the women throughout four stages of the menopause transition: premenopausal (no change in menstrual periods), early perimenopausal (menstrual irregularity but no "gaps" of 3 months), late perimenopausal (having no period for three to 11 months) and postmenopausal (no period for 12 months). The study found that processing speed improved with repeated testing during premenopause, early perimenopause and postmenopause, but that scores during late perimenopause did not show the same degree of improvement. Improvements in processing speed during late perimenopause were only 28 percent as large as improvements observed in premenopause.
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