Illuminating rationale and uses for light therapy.
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Light therapy is increasingly applied in a variety of sleep medicine and psychiatric conditions including circadian rhythm sleep disorders, seasonal affective disorder, and dementia. This article reviews the neural underpinnings of circadian neurobiology crucial for understanding the influence of light therapy on brain function, common mood and sleep disorders in which light therapy may be effectively used, and applications of light therapy in clinical practice. (+info)
A season-of-birth/DRD4 interaction predicts maximal body mass index in women with bulimia nervosa.
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Circadian rhythms and depression.
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BACKGROUND: Depression is a common disorder in primary care. Disruptions to the circadian rhythms associated with depression have received little attention yet offer new and exciting approaches to treatment. OBJECTIVE: This article discusses circadian rhythms and the disruption to them associated with depression, and reviews nonpharmaceutical and pharmaceutical interventions to shift circadian rhythms. DISCUSSION: Features of depression suggestive of a disturbance to circadian rhythms include early morning waking, diurnal mood changes, changes in sleep architecture, changes in timing of the temperature nadir, and peak cortisol levels. Interpersonal social rhythm therapy involves learning to manage interpersonal relationships more effectively and stabilisation of social cues, such as including sleep and wake times, meal times, and timing of social contact. Bright light therapy is used to treat seasonal affective disorders. Agomelatine is an antidepressant that works in a novel way by targeting melatonergic receptors. (+info)
Melanopsin-expressing retinal ganglion cells: implications for human diseases.
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Seasonal effects on human striatal presynaptic dopamine synthesis.
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Light therapy for seasonal affective disorder in a clinical office setting.
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Low-intensity blue-enriched white light (750 lux) and standard bright light (10,000 lux) are equally effective in treating SAD. A randomized controlled study.
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Informing the symptom profile of complicated grief.
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