Circadian Rhythms And Mood Control

Circadian rhythms regulate changes in mental and physical characteristics that occur during a day. The word circadian, meaning “around a day,” comes from the Latin words “circa” (around) and “diem” (a day).
Your body’s biological clock controls most circadian rhythms. This clock is in a region of the brain called the hypothalamus.
Many studies have found significant disruptions in circadian rhythms in people with bipolar disorder. These rhythms affect sleep/wake activity, body temperature, and hormonal cycles. Changes to the sleep/wake cycle can precipitate manic and depressive episodes while stabilization of these rhythms is therapeutic. Register now to hear Dr. McClung share her research.

Colleen A. McClung, PhD
Professor of Psychiatry and Clinical and Translational Science @University of Pittsburgh
Colleen Ann McClung, Ph.D., is a Professor of Psychiatry and Clinical and Translational Science at the University of Pittsburgh. She earned her doctorate degree from the University of Virginia, College and Graduate School of Arts & Sciences, Biology and received her post doctorate training at the University of Texas Southwestern Medical Center, Neuroscience. She has received several honors including awards from the Brain & Behavioral Research Foundation and the International Mental Health Research Organization. Through her work, she and her team aim to help improve treatment for bipolar disorder, major depression, and schizophrenia by examining disruptions to sleep patterns, which can destabilize mood.


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