Seasonal Affective Disorder Study
- Introduction
- Symptoms of Seasonal Affective Disorder (SAD)
- Epidemiology of Seasonal Affective Disorder (SAD)
- Seasonal Affective Disorder & Latitude
- Seasonal Affective Disorder & Gender
- Seasonal Affective Disorder & Age
- Other Considerations
- Light Therapy
- Effectiveness of Light Therapy
- Light Therapy for Other Conditions
- Light Therapy & Depression
- Light Therapy & Pre Menstrual Syndrome (PMS)
- Light Therapy & Sleep Disorders
- Light Therapy & Healthy Individuals
- Side Effects of Light Therapy
- References
Light Therapy for Other Conditions
The treatment of Seasonal Affective Disorder is almost exclusively associated with light therapy, indeed, it has been proposed that response to phototherapy may be a diagnostic criteria for SAD (Smyth, 1990).
However, as many as one-third of diagnosed SAD clients do not respond to light therapy alone (Ghadirian et al, 1998).
In addition, there is evidence that bright light therapy is beneficial to other disorders, including non-seasonal depression, bulimia nervosa, premenstrual depression, and rapid-cycling bi-polar disorder (Avery & Norden, 1998; Blouin et al, 1996; Graw et al 1998; Jang et al, 1997; Lam et al, 1997; Murray et al, 1995; Wesson & Levitt, 1998).
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