Alzheimer's disease: measuring brain waves could diagnose dementia early – new study

By George Stothart, Lecturer, Psychology, University of Bath

Our visual memory system has a phenomenally large capacity. Flick through the image gallery on your phone, or fast forward through a previously watched movie, and notice how the briefly presented images trigger memories with little or no effort on your part. Well, my colleagues and I have harnessed this passive visual memory system to develop a test that might one day be used to diagnose Alzheimer’s disease.

The person being tested is fitted with an electroencephalography (EEG) cap to record their brain activity and shown a series of images of everyday objects on a computer screen.…

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