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Effects of light treatment on circadian rhythmicity in seasonal affective disorder
Published online by Cambridge University Press: 16 April 2020
Summary
Twelve outpatients with seasonal affective disorder were treated by 1-h morning bright light exposure for 5 days. The light treatment intervention produced a significant phase advance of self-rated sleepiness rhythm, a significant decrease of the mean level of subjective sleepiness, and a significant reduction of depression scores. No significant objective circadian rhythm phase shift nor amplitude changes would account for the antidepressant effect.
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- Copyright © Elsevier, Paris 1992
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