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Every few seconds, our eyelids automatically shutter and our eyeballs roll back in their sockets. So why doesn't blinking plunge us into intermittent darkness and light?
New research led by UC Berkeley shows that the brain works extra hard to stabilize our vision despite our fluttering eyes.
[...] In a study published today in the online edition of the journal Current Biology, they found that when we blink, our brain repositions our eyeballs so we can stay focused on what we're viewing.
When our eyeballs roll back in their sockets during a blink, they don't always return to the same spot when we reopen our eyes. This misalignment prompts the brain to activate the eye muscles to realign our vision, said study lead author Gerrit Maus, an assistant professor of psychology at Nanyang Technological University in Singapore.
Target Displacements during Eye Blinks Trigger Automatic Recalibration of Gaze Direction. Current Biology, 2017; DOI: 10.1016/j.cub.2016.12.029
(Score: 2) by Unixnut on Friday January 27 2017, @04:19PM
I find that happens to me when I am tired, especially after a long period of coding (staring at the screen). I actually see the black of the blink.
Not sure if my brain is too tired to do the processing, or my eyes are too tired and blink slower than usual.
Get some other effects from time to time as well, like everything becoming wavy. It is kinda trippy, but also a good signal that I should have a long rest away from computer screens.
(Score: 1) by Scruffy Beard 2 on Friday January 27 2017, @08:53PM
When I have been up for 16 hours, things start getting desaturated and grainy.