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by chakalakasp
3567 days ago
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The way the eye interfaces with the brain never ceases to amaze me. Another fun fact is that it even has it's own error correction mechanisms, one of which you can intentionally miscalibrate in order to see colors that aren't there for days, weeks, and sometimes even months after doing the calibration (which is acheived by looking at a very specific image pattern for a long time). I would not recommend actually doing this, as those who have have reported back that the illusory colors become quite distracting and actually cause a bit of emotional distress after many months, but it's crazy that the brain has this kind of chromatic abboration error correction programmed in in the first place. https://en.wikipedia.org/wiki/McCollough_effect |
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So I was scared to try it, but eventually I did and for me the effect went away after a couple minutes. Maybe I'm lucky, but the warnings & the legend of the effect lasting months make such a good story, I have to wonder if it's a little overstated.
But -- what if the effect is just as easy to unlearn somehow, as it is to learn? It's existence may have a lot to do with gratings being pretty uncommon in nature, leaving a weak spot in the system that is easily trainable and slow to re-adapt just because we don't stare at gratings very often.