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kilobug comments on My simple hack for increased alertness and improved cognitive functioning: very bright light - Less Wrong Discussion

54 Post author: chaosmage 18 January 2013 01:43PM

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Tags: alertness self-improvement luminosity

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Comment author: kilobug 19 January 2013 09:26:52AM 4 points [-]

Thanks for a useful practical tip.

the color of the light doesn't actually make a difference. The amount of light does.

Is that your own observation, or the result of broader research ? I always wondered if light "temperature" did affect mood/awakeness and found contradictory results when making a quick search, so I still have a blank spot on my map on that.

Comment author: chaosmage 19 January 2013 11:17:24PM *  1 point [-]

Just my own observation, and I was only comparing the full-on white I got to the bluish light they sell for light therapy. I don't know about those yellowish fluorescent lights.

What (probably) counts is Photosensitive ganglion cells and those do react more strongly to blue or violet wavelengths.

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