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Adjunctive Bright Light in Non‐Seasonal Major Depression
Adding bright light treatment for non-seasonal major depression
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Abstract
One hundred and two patients participated in a 5-week trial comparing bright light treatment to placebo for non-seasonal major depression.
- Bright light therapy involved exposure to white light at 10,000 lux for 1 hour daily.
- Placebo treatment consisted of red light at 50 lux for 30 minutes daily.
- Patients receiving bright light showed a statistically significant greater reduction in depression scores compared to those receiving dim light.
- All observer rating scales and the SCL-90R self-assessment scale indicated improvements favoring bright light.
- The HAM-D6 scale was identified as the most sensitive measure for assessing improvement.
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