Seasonal affective disorder and light therapy.
نویسنده
چکیده
Seasonal affective disorders (SAD) represents a subgroup of major depression with a regular occurrence of symptoms in autumn and winter and full remission in spring and summer. Light therapy or phototherapy has become the standard treatment of this type of depression. The phototherapy is affective therapy for depressive symptoms of SAD. However, the action mechanism of light therapy is uncertain. Finally, new lines of the investigation of light therapy are aforementioned.
منابع مشابه
Light therapy increases visual contrast sensitivity in seasonal affective disorder.
The purpose of this study was to investigate the effects of light therapy on visual contrast sensitivity in patients with seasonal affective disorder (n=10) and healthy control subjects (n=10). Static and dynamic visual contrast sensitivity was measured using a Venus system before and after 4 weeks of light therapy (10,000 lux, 30 min, 5 times a week). Light therapy increased static visual cont...
متن کاملSeasonal affective disorder.
Patients with seasonal affective disorder have episodes of major depression that tend to recur during specific times of the year, usually in winter. Like major depression, seasonal affective disorder probably is underdiagnosed in primary care settings. Although several screening instruments are available, such screening is unlikely to lead to improved outcomes without personalized and detailed ...
متن کاملReview: bright light therapy and dawn simulation reduce symptom severity in seasonal affective disorder.
M e t h o d s Data sources: MEDLINE (1975 to July 2003), the Cochrane Library, and bibliographies of relevant reviews and studies. Study selection and assessment: Englishlanguage randomized controlled trials (RCTs) of adults 18 to 65 years of age with a diagnosis of mood disorder based on DSMIII, DSM-III-R, DSM-IV, Research Diagnostic Criteria, or the Rosenthal criteria, who were in the acute p...
متن کاملEarly response to light therapy partially predicts long-term antidepressant effects in patients with seasonal affective disorder.
OBJECTIVE To determine if the antidepressant effect of 1 hour of light therapy is predictive of the response after 1 and 2 weeks of treatment in patients with seasonal affective disorder (SAD). PATIENTS Twelve patients with SAD. SETTING National Institutes of Health Clinical Center, Bethesda, Md. INTERVENTIONS Light therapy for 2 weeks. OUTCOME MEASURES Scores on the Seasonal Affective ...
متن کاملSeasonal affective disorder.
Depression during winter has been found to respond to treatment with simulated daylight. Seasonal affective disorder should be distinguished from other forms of depression which can also occur in winter before prescribing light therapy.
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ورودعنوان ژورنال:
- Actas luso-espanolas de neurologia, psiquiatria y ciencias afines
دوره 24 4 شماره
صفحات -
تاریخ انتشار 1989