People of a certain age (and we know who we
are) don’t spend much leisure time reviewing the research into cognitive
performance and aging. The story is grim, for one thing: Memory’s speed
and accuracy begin to slip around age 25 and keep on slipping.
The story is familiar, too, for anyone who is
over 50 and, having finally learned to live fully in the moment,
discovers it’s a senior moment. The finding that the brain slows with
age is one of the strongest in all of psychology.
Lisa Haney
Over the years, some scientists have
questioned this dotage curve. But these challenges have had an
ornery-old-person slant: that the tests were biased toward the young,
for example..
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