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Mood Lighting: Penn Researchers Determine Role of Serotonin in Modulating Circadian Rhythm.
Byline: University of Pennsylvania Health System
PHILADELPHIA, July. 7 (AScribe Newswire) -- Researchers at the University of Pennsylvania School of Medicine have determined how serotonin decreases the body's sensitivity to light and that exposure to constant darkness leads to a decrease in serotonin levels in the brain of fruit flies. These findings suggest that serotonin may play a role in maintaining circadian rhythm, as well as modulating light-related disorders such as seasonal affective disorder (SAD). Senior author Amita Sehgal, PhD, Professor of Neuroscience at Penn and a Howard Hughes Medical Institute (HHMI) Investigator, and colleagues report their findings in the July 7 issue of Neuron.
The body's 24-hour (circadian) clock controls cycles of wakefulness and sleep, as well as the rhythm of other physiological functions, such as body temperature and blood pressure. Although the body functions on…
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Source: HighBeam Research, Mood Lighting: Penn Researchers Determine Role of Serotonin in...
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