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| English: Portrait of old woman sitting by a window. (Photo credit: Wikipedia) |
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.
She was astounded by the vitality of the SuperAgers' cortex - the outer layer of the brain important for memory, attention and other thinking abilities. Theirs was much thicker than the cortex of the normal group of elderly 80 and older (whose showed significant thinning) and closely resembled the cortex size of participants ages 50 to 65, considered the middle-aged group of the study.
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