bright light therapy


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The use of the visible range of the electromagnetic spectrum as a therapeutic modality. Light acts on the hypothalamus and releases neurotransmitters and factors after receiving neural impulses from the retina. Bright light therapy is the therapy of choice for SAD; modalities of light therapy include the use of full spectrum light—e.g., sunlight—bright light—10,000 lux—UV light, colored light, hemoirradiation

bright light therapy

Light therapy, phototherapy The use of the visible range of the electromagnetic spectrum as a therapeutic modality; light acts on the hypothalamus and releases neurotransmitters and factors after receiving neural impulses from retina; BLT is the therapy of choice for SAD; modalities of LT include the use of full spectrum light–eg sunlight, bright light–10,000 lux, UV light, colored light, hemoirradiation. See Heliotherapy, Seasonal affective disorder, Spring fever.

bright light therapy

Treatment of sleep and/or mood disorders by exposure to bright fluorescent lights (typically 10,000 lux) for at least 2 hours a day. Bright light therapy has been used as an alternative to drug therapy for seasonal affective disorder and insomnia (e.g., in shift workers).
References in periodicals archive ?
Bright light therapy in seasonal affective disorder-does it suffice?
However, as bright light therapy may last longer than 4 days, long-term safety evaluation tests are desirable.
In a 5-week, controlled, double-blind trial not included in the Cochrane review, 102 patients with nonseasonal MDD were randomized to receive either active treatment (bright light therapy) plus sertraline 50 mg daily or sham light treatment (using a dim red light) plus sertraline 50 mg daily.
Bright light therapy and melatonin in motor restless behaviour in dementia: A placebo-controlled study.
A randomized controlled trial of cognitive-behavior therapy plus bright light therapy for adolescent delayed sleep phase disorder.
The "morning" time at which Ancoli-lsreal's subjects were given bright light therapy may have in actuality been their biological "evening" thereby resulting in a phase delay rather phase advance.
It has been suggested that bright light therapy in the early morning, using a light box or dawn simulation, appears to be a reasonable first-line approach to relieve depressive symptoms.7
Bright light therapy in the early morning, around the time when they would like to wake up, also helps, sometimes in just a few sessions.
(51) Although bright light therapy (BLT), as used in typical SAD lamps, suppresses melatonin release and is an established treatment for depression and sleep disturbances, it has only recently been evaluated in PD.
Lyketsos, Veiel, Baker, and Steele (1999) studied the effects of bright light therapy on the agitated behaviors of AD patients through a 8-week randomized, controlled, crossover clinical trial.
Bright light therapy. For individuals with insomnia resulting from circadian factors, bright light therapy may be of some use.
Since then, the Journal of the American Medical Association has published a new study showing that bright light therapy improved symptoms of dementia in a group of seniors in care facilities.