Scientists from Japan’s National Center for Geriatrics and Gerontology analyzed the medical records of 2,000 Japanese residents aged 40 to 79 (at the time the study began). Participants were followed for nearly 20 years. Researchers were interested in the ability to solve new problems and use previously gained experience.
It turned out that the level of education did not affect the test results. Scientists have suggested that a good education initially helps people get better test scores. Therefore, the decline seems more pronounced then.
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