A Circadian Signal of Change of Season in Patients With Seasonal Affective Disorder
نویسندگان
چکیده
منابع مشابه
A circadian signal of change of season in patients with seasonal affective disorder.
BACKGROUND In animals, the circadian pacemaker regulates seasonal changes in behavior by transmitting a signal of day length to other sites in the organism. The signal is expressed reciprocally in the duration of nocturnal melatonin secretion, which is longer in winter than in summer. We investigated whether such a signal could mediate the effects of change of season on patients with seasonal a...
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چکیده ندارد.
15 صفحه اولDepressive symptomatology differentiates subgroups of patients with seasonal affective disorder.
Patients with seasonal affective disorder (SAD) may vary in symptoms of their depressed winter mood state, as we showed previously for nondepressed (manic, hypomanic, hyperthymic, euthymic) springtime states [Goel et al., 1999]. Identification of such differences during depression may be useful in predicting differences in treatment efficacy or analyzing the pathogenesis of the disorder. In a c...
متن کاملElectroretinography in patients with winter seasonal affective disorder.
A retinal sensitivity abnormality has been hypothesized in seasonal affective disorder (SAD). To explore this hypothesis, the electroretinogram (ERG) was used to assess retinal sensitivity at the level of the rod photoreceptor system. We examined 27 depressed patients who met DSM-III-R criteria for major depression, recurrent, with a seasonal (winter) pattern and 23 normal control subjects who ...
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ژورنال
عنوان ژورنال: Archives of General Psychiatry
سال: 2001
ISSN: 0003-990X
DOI: 10.1001/archpsyc.58.12.1108