Document Detail

Dawn simulation treatment of winter depression: a controlled study.
MedLine Citation:
PMID:  8417552     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: This study sought to determine whether dawn simulation was superior to a shorter dimmer "placebo" dawn signal in treating winter depression. METHOD: In a randomized, parallel design, 22 patients with winter depression were treated with either 1 week of a 2-hour dawn simulation peaking at 250 lux or 1 week of a 30-minute dawn simulation peaking at 0.2 lux. The subjects were told that they would receive either a "gradual" dawn or a "rapid" dawn reaching an intensity that would be dimmer than standard bright light treatment. At the end of both the baseline week and the treatment week, subjects were assessed in a blind manner with the Hamilton Rating Scale for Depression. Analysis of covariance was used to compare the two dawn treatments. RESULTS: The 2-hour, 250-lux dawn simulation resulted in Hamilton depression scale scores that were significantly lower than scores after the 30-minute, 0.2-lux dawn simulation. CONCLUSIONS: This study indicates that dawn simulation is an effective treatment for winter depression.
D H Avery; M A Bolte; S R Dager; L G Wilson; M Weyer; G B Cox; D L Dunner
Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  The American journal of psychiatry     Volume:  150     ISSN:  0002-953X     ISO Abbreviation:  Am J Psychiatry     Publication Date:  1993 Jan 
Date Detail:
Created Date:  1993-01-26     Completed Date:  1993-01-26     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0370512     Medline TA:  Am J Psychiatry     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  113-7     Citation Subset:  AIM; IM    
Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle.
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MeSH Terms
Circadian Rhythm
Depressive Disorder / diagnosis,  psychology,  therapy
Phototherapy / methods*
Psychiatric Status Rating Scales
Seasonal Affective Disorder / diagnosis,  psychology,  therapy*
Grant Support
Reg. No./Substance:

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