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How even our brains get ‘slacker’ as we age

Losing the youthful firmness and elasticity in our skin is one of the first outward signs of ageing. Now it seems it’s not just our skin that starts to sag - but our brains too.

New research from Newcastle University, UK, in collaboration with the Federal University of Rio de Janeiro, investigated the way the human brain folds and how this ‘cortical folding’ changes with age.

Linking the change in brain folding to the tension on the cerebral cortex - the outer layer of neural tissue in our brains - the team found that as we age, the tension on the cortex appears to decrease.  This effect was more pronounced in individuals with Alzheimer’s disease.

Publishing their findings today in the academic journal PNAS, the team say this new research sheds light on the underlying mechanisms which affect brain folding and could be used in the future to help diagnose brain diseases.

For the full article please visit the Newcastle University website.

 

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