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Re: Night Shift mode

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James Culbertson
Re: Night Shift mode
on Jan 29, 2017 at 7:20:52 am

This is pretty interesting (prior to getting into video production I studied Biology and specifically Neuroscience in college and then did Neurophysiological research studying the visual and auditory pathways to the brain looking for neuroplasticity and neuroregeneration in CNS neurons):

"There’s a third kind of sensor in our eyes, officially discovered in 2002. Called intrinsically photosensitive retinal ganglion cells, or ipRGCs, these relatively crude sensors are unable to pick up on low levels of light — from a dim night light, for example — but sluggishly signal light changes.

They are the body’s way of sending ambient light information to the master circadian clock, a huddle of nerve cells in the brain. This clock makes the pineal gland start and stop the secretion of melatonin. The ipRGCs are most sensitive to blue light — that’s why blue light is bad for your sleep.

To counteract the effects of tablets’ blue light, Figueiro and Lockley recommend a free app, F.lux, that automatically warms up the colors on your various screens — more reds and yellows — at sunset and returns them to normal at sunrise.

“The amount of light you need [in order] to see is lower than the amount of light you need to affect your melatonin,” Figueiro said, which means that light-emitting screens can be used at night without disrupting sleep cycles if you put some distance between your eyes and the device...."

https://www.washingtonpost.com/national/health-science/blue-light-from-elec...


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