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Phototherapy for depressive disorders: a review
R W Lam1, D F Kripke, J C Gillin
1Department of Psychiatry, University of British Columbia, Vancouver.
Summary
Bright light therapy (phototherapy) is a safe and effective treatment for seasonal depression. It also shows promise for non-seasonal depression, though its mechanism requires further study.
Area of Science:
- Psychiatry
- Neuroscience
- Chronobiology
Background:
- Phototherapy, or bright light treatment, has gained significant attention for psychiatric applications.
- Depressive disorders, including seasonal and non-seasonal types, are a major focus of research.
Purpose of the Study:
- To review existing treatment studies on phototherapy for seasonal and non-seasonal depression.
- To examine the empirical evidence supporting theories on the psychophysiology of phototherapy.
Main Methods:
- Literature review of phototherapy treatment studies.
- Analysis of research on the psychophysiological mechanisms of light therapy.
Main Results:
- Phototherapy demonstrates safety and efficacy in treating seasonal depression.
- The treatment shows promise as a viable option for non-seasonal depression.
Conclusions:
- Phototherapy is an established treatment for seasonal affective disorder.
- Further research is needed to elucidate the mechanisms of action and expand applications for non-seasonal depression.