Researchers have developed a new tool that can help physicians track cognitive performance of older adults at risk of developing Alzheimer's disease or another form of dementia. Alzheimer's -- the most common form of dementia -- is a progressive disease that destroys memory and other important mental functions in the elderly. The new tool called the QuoCo (cognitive quotient) which uses percentile curves helps health care professionals especially family physicians to determine a normal cognitive decline and distinguish the onset of a neurological disease. It can also help them monitor cognitive decline in patients before irreversible damage occurs. Similar to
