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Vision can predict dementia 12 years before diagnosis, study finds
The eyes can reveal a lot about the health of our brain.
Another early sign of Alzheimer's is a deficit in the "inhibitory control" of eye movements, where distracting stimuli seem to hold attention more readily. If dementia makes it harder to avoid distracting stimuli, then these problems could increase the risk of driving accidents – something we are currently investigating at Loughborough University. So this early issue in not recognising people you have just met could be related to ineffective eye movement for new faces, rather than being a pure memory disorder.
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