Scientists develop an AI that can diagnose dementia from a brain scan

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Artificial intelligence has been employed in the fight against dementia by scientists who say it can diagnose the condition from a single scan of the brain. Currently in pre-clinical trials, the system has been able to diagnose dementia years before the first symptoms develop, even with no signs of damage on the scan. It currently takes multiple scans and tests to diagnose dementia, and by the time they are complete it may be too late to enact some of the remedies that can offset the condition, researchers from the Alan Turing Institute in Cambridge explained. The new system compares brain scans of those worried they might have dementia with scans from thousands of dementia patients to identify patterns. Being able to diagnose the condition early, even before any signs are visible on scans, will allow for lifestyle and medical interventions to delay the onset, according to the team.