Light on seasonal affective disorders?
نویسندگان
چکیده
منابع مشابه
Treatment of seasonal affective disorders
Seasonal affective disorder (SAD) is a subform of major depressive disorder, recurrent, or bipolar disorder with a regular onset of depressive episodes at a certain time of year, usually the winter. The treatment of SAD is similar to that of other forms of affective disorder, except that bright light therapy is recommended as the first-line option. Light therapy conventionally involves exposure...
متن کاملSeasonal affective disorder and light therapy.
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 uncertai...
متن کاملSeasonal affective disorder and non-seasonal affective disorders: results from the NESDA study
BACKGROUND Seasonal affective disorder (SAD) is considered to be a subtype of depression. AIMS To compare the clinical picture of SAD to non-seasonal affective disorders (non-SADs). METHOD Diagnoses according to the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) were established in 2185 participants of the Netherlands Study of Depression and Anxiety. The Seasonal Pattern Ass...
متن کاملLight 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 کاملLux vs. wavelength in light treatment of Seasonal Affective Disorder.
OBJECTIVE Published dosing guidelines for treatment of Seasonal Affective Disorder (SAD) refer to photopic lux, which is not appropriate for short-wavelength light. Short wavelengths are most potent for many non-visual responses to light. If SAD therapy were similarly mediated, standards utilizing lux risk overestimating necessary dose. We investigated antidepressant responses to light using tw...
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ژورنال
عنوان ژورنال: BMJ
سال: 1988
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.296.6618.359-c