Scan could become routine procedure in memory clinics if findings confirmed in larger cohort, scientists say
Scientists used a scan of “resting” brain activity to identify whether people would go on to develop dementia, with an estimated 80% accuracy up to nine years before people received a diagnosis. If the findings were confirmed in a larger cohort, the scan could become a routine procedure in memory clinics, scientists said.
“Predicting who is going to get dementia in the future will be vital for developing treatments that can prevent the irreversible loss of brain cells that causes the symptoms of dementia,” Marshall said. In the cases where the volunteers had gone on to develop dementia, the team could predict within a two-year margin of error exactly how long it would take for that diagnosis to be made. Changes to brain connectivity were also associated with known risk factors, including the genetic risk for Alzheimer’s disease and social isolation.
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