Perhaps no neurologic disorder is feared more than Alzheimer dementia. At least a few times a week, a concerned elderly man or woman comes to my office wondering whether their forgetfulness or loss of ...

Daily cycles in virtually every aspect of our physiology are driven by biological clocks (also called circadian clocks) in our cells. The cyclical interactions of clock proteins keep the biological ...

A digital version of the classic clock-drawing test can accurately identify early Alzheimer's disease (AD) pathology in asymptomatic patients in less than 5 minutes, new research shows. Investigators ...

One simple screening tool for cognitive impairment is the clock-drawing test (CDT): the patient is provided with a printed circle and asked to draw a clock face with the hands pointing to a certain ...

What time is your body clock set on? The answer, mounting research suggests, can influence everything from your predisposition to diabetes, heart disease and depression to the optimal time for you to ...

This illustration shows how the components of the cyanobacterial circadian clock interact in a 24-hour cycle. (Image credit: Andy LiWang) Daily cycles in virtually every aspect of our physiology are ...

Sleep researchers have found it's possible to determine the timing of a person's internal biological clock via a single blood draw. Ultimately, the findings could lead to a simple blood test for ...