Thursday, December 29, 2011

Older people’s brain does not always slow down with age

Both children and the elderly have slower response times when they have to make quick decisions. (Reuters)
 Older brainsContrary to what many people think the brain functioning of elderly people does not always slow down with age and in certain situations they show similar response times as younger adults, researchers say.
Both children and the elderly have slower response times when they have to make quick decisions in some settings.
But recent research suggests that much of that slower response is a conscious choice to emphasize accuracy over speed.
In fact, healthy older people can be trained to respond faster in some decision-making tasks without hurting their accuracy – meaning their cognitive skills in this area are not so different from younger adults.
“Many people think that it is just natural for older people’s brains to slow down as they age, but we’re finding that isn’t always true,” said Roger Ratcliff, professor of psychology at Ohio State University and co-author of the study.

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