Measuring the brain to diagnose Alzheimer’s early

  University of Pennsylvania researchers have devised a way to identify individuals with a high risk for cognitive decline. Results showed that a decrease in thickness in certain brain regions increased a person's likelihood for loss of mental skills. The team used MRI scans to measure cortical thickness in several areas of the brain where Alzheimer’s disease can cause atrophy. The measurements were obtained from healthy adults and 21 percent of those who showed signs of...