Predicting your brain age from your sleep

A number of mental health diseases (e.g. Alzheimer’s, schizophrenia, epilepsy, bipolar disorder, major depression) are associated with a brain age that is older than the person’s chronological age. A simple way to determine brain age could potentially serve as a marker for such impairments, but today brain age is measured using expensive MRI processes. Researchers in the US have shown that by measuring the patient’s EEG during sleep they can predict their brain age. With an ageing population, cheap predictors of potential impairments become more important. Measuring EEG’s is potentially something that could be done at home with relatively low-cost equipment.

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