Credit: BRACE Dementia Research.A three-minute brainwave test could detect signs of memory problems linked to Alzheimer's disease years before clinical diagnosis is possible, a trial has found.Researchers suggest this could be a cheap tool for those who struggle to get a diagnosis, and can be used in multiple settings, including the home.Fastball, developed at the University of Bath, is a new method that uses EEG (electroencephalogram), a test that records the electrical activity of the brain by

Credit: BRACE Dementia Research.A three-minute brainwave test could detect signs of memory problems linked to Alzheimer's disease years before clinical diagnosis is possible, a trial has found.Researchers suggest this could be a cheap tool for those who struggle to get a diagnosis, and can be used in multiple settings, including the home.Fastball, developed at the University of Bath, is a new method that uses EEG (electroencephalogram), a test that records the electrical activity of the brain by placing small sensors on the scalp.It presents patients with rapid images and records the brain's automatic response.