Aging

Research reports from Duke University provide new insights into aging

Published in Telemedicine Week, July 15th, 2008

According to recent research from the United States, "A consistent finding from functional neuroimaging studies of cognitive aging is an age-related reduction in occipital activity coupled with increased frontal activity. This posterior-anterior shift in aging (PASA) has been typically attributed to functional compensation."

"The present functional magnetic resonance imaging sought to 1) confirm that PASA reflects the effects of aging rather than differences in task difficulty; 2) test the compensation hypothesis; and 3) investigate whether PASA generalizes to deactivations. Young and older participants were scanned during episodic retrieval and visual perceptual tasks,...

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Source: Telemedicine Week (2008-07-15)

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