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When a psychology professor in Michigan looked through his data on interpersonal conflict a decade ago, he discovered something unexpected. The study, which examined differences across
cultures and age groups, seemed to show Americans got wiser as they got older. Richard Nisbett was used to research showing poorer mental skills among elderly adults, but his work found they
were better at recognizing multiple perspectives, encouraging compromise, and acknowledging the limits of their own knowledge. Perhaps, he reasoned, navigating conflict got better with age
because it was such a specific, experience-based skill. Working memory, which stores short-term facts like newly learned names, may decline but, as people get older, they inevitably accrue
more knowledge from having navigated similar situations throughout their lives. Now 82 years old, Nisbett recognizes the improvement in himself. “I’ve noticed situations to avoid, comments
not to make, and the importance of apology,” he said. His study is part of a growing body of research suggesting that, while some skills like mental processing speed decline with age, other
cognitive skills improve for older adults in their 70s and beyond — an observation that has been largely ignored in the raging political debate over the age and mental acuity of the two
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