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A 31-year-old male asked:

is the blue light from led computer screens different than the blue light used in studies that shows it can boost cognitive performance?

1 doctor answer1 doctor weighed in
Dr. Gerald Mandell
Nuclear Medicine 52 years experience
Both blue lites: Scientists have known that blue light(bl) inhibits secretion of melatonin in brain, which calms our minds and dulls cognitive function.Experts recommend turning off computer before bed, illumination from led-backlit devices prevent brains from shutting down.In many studies, blue light has been proven to iincrease alertness, learning ability, working memory.In study effect of bl better than caffeine.

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Last updated Feb 8, 2014
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