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Sharp as a Tack at 90: Here's Why, Northwestern University Study


8/17/2012 7:16:08 AM

Researchers have long chronicled what goes wrong in the brains of older people with dementia. But Northwestern Medicine researcher Emily Rogalski wondered what goes right in the brains of the elderly who still have terrific memories. And, do those people -- call them cognitive SuperAgers -- even exist? Rogalski's new study has for the first time identified an elite group of elderly people age 80 and older whose memories are as sharp as people 20 to 30 years younger than them. And on 3-D MRI scans, the SuperAger participants' brains appear as young -- and one brain region was even bigger -- than the brains of the middle-aged participants.

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