Bright light treatment of winter depression: morning versus evening light.
作者信息
Avery D H, Khan A, Dager S R, Cox G B, Dunner D L
机构信息
Department of Psychiatry and Behavioral Sciences, School of Medicine, University of Washington, Seattle.
出版信息
Acta Psychiatr Scand. 1990 Nov;82(5):335-8. doi: 10.1111/j.1600-0447.1990.tb01397.x.
Abstract
In a randomized crossover design, 7 patients with winter depression were treated with 7 d of bright morning light (0600 to 0800) and 7 d of evening light (2000 to 2200). Bright lights in the morning significantly reduced the Hamilton Rating Scale for Depression (HRSD) score (18.4 to 5.0); the bright light in the evening moderately decreased the HRSD score (19.4 to 15.1). The improvement in the HRSD score was significantly greater with morning light than with evening light.
摘要
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