How mammals perceive light changes between night and day. Researchers at Aalto University and the University of Helsinki discovered that mice were better at finding a dim light in pitch-darkness in ...

Abnormalities in circadian rhythm may represent an important feature in the very early stages of Parkinson's disease before symptoms develop, a new study suggests. "We found that men with abnormal ...

Your circadian rhythm is your body’s internal clock. Light, sleep patterns, hormones, meals, and temperature can all influence your circadian rhythm, which in turn can influence your overall health.

Findings provide a putative physiological biomarker of brain state changes that can predict early antidepressant effects. Deep brain stimulation (DBS) has been demonstrated to be an effective ...