Superager Brains Shrink More Slowly Than Peers’ Brains

Superager Brains Shrink More Slowly Than Peers’ Brains.

In the April 2017 issue of the Journal of the American Medical Association, an article entitled “Rates of Cortical Atrophy in Adults 80 Years and Older With Superior vs Average Episodic Memory” by Amanda H. Cook, Jaiahre Sridhar, Daniel Ohm, et al., from Northwestern University, Chicago, Illinois, was published. The Paper’s Abstract described the research as follows: “SuperAgers” have previously been defined as adults 80 years and older with episodic memory ability at least as good as that of average middle-age adults. They have a significantly thicker brain cortex than their same-age peers with average-for-age memory, which is unusual as age-related cortical atrophy is considered “normal” and often associated with cognitive decline in non-demented older adults. SuperAgers may experience similar atrophy rates as their cognitively average peers, but start with larger brain volumes, or they may resist age-related cortical atrophy. To examine the latter possibility, we quantitated rates of cortical volume change over 18 months in SuperAgers and cognitively average elderly adults.”

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