A hidden signature in sleep brain waves may quietly track how the brain ages.
to develop dementia. The research, led by UC San Francisco and Beth Israel Deaconess Medical Center in Boston, used machine learning to analyze brain waves recorded overnight.
The team focused on a measure called “brain age,” which is estimated from sleep EEG signals. When this brain-based age was higher than a person’s actual age, the likelihood of developing dementia increased.
Each 10-year gap in which brain age exceeded chronological age was linked to nearly a 40% rise in dementia risk. In contrast, people whose brain age appeared younger than their actual age had a lower risk.
The findings were published in JAMA Network Open on March 19.
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https://scitechdaily.com/this-ai-tool-can-tell-if-your-brain-is-aging-too-fast/