4 ms·
There have been some interesting findings in aging studies (e.g. the 90+ study [0]) that suggest some people who have all the physiological signs of Alzheimers,
by kortex 5y ago
There have been some interesting findings in aging studies (e.g. the 90+ study [0]) that suggest some people who have all the physiological signs of Alzheimers, but show no symptoms of dementia.
I suspect the arrow goes:
X -> brain degradation
brain degradation -> cognitive decline
cognitive decline -> driving bad
brain degradation -> post-mortem Alzheimers diagnosis
The loose link there is the path from brain degradation to cognitive decline. The 90+ findings (plus other findings on TBI and plasticity) suggest that by maintaining high plasticity through brain assaults (old age, trauma), it seems the brain can "route around damage" and remain comparatively functional.
[0] The 90+ study: https://mind.uci.edu/research-studies/90plus-study/ https://mind.uci.edu/research-studies/90plus-study/
60 Minutes on Superagers - Video + Transcript:
https://www.cbsnews.com/news/long-life-retirement-community-60-minutes-2020-11-22/ https://www.cbsnews.com/news/long-life-retirement-community-...
- spockz 5y ago> [0] The 90+ study: https://mind.uci.edu/research-studies/90plus-study/ https://mind.uci.edu/research-studies/90plus-study/ This plasticity idea is really neat. Anecdotal and I don’t know the correlation holds up, but my one grandmother was very set in her habits and particularly mindset and died early of Alzheimer’s and Parkinson’s. My other grandmother is flexible of mind and is still kicking it at 90+. I’m wondering which way the causality goes. Whether there is something physical which makes people more open minded and wandering whereas others are more closed which eventually leads to more brain diseases. So in the end the open mindedness / flexibility is just another indirect indicator.