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Re:Perceptual Illusions (2018) by cymon on Wednesday August 25, 2021 @06:05PM (#28307724)
Number 12 is quite something, it works with anything you look at after staring the center of the top image. I looked at my food and I could see it moving in a very odd manner, went back to image for 15 seconds and looked at the walls, same effect and repeated the same with other stuff and after 10 minutes I feel motion sickness like the one you get after spinning and losing your balance (not everyone gets this I think)
Re:Perceptual Illusions (2018) by yuturs on Wednesday August 25, 2021 @09:23PM (#28309438)
I regularly go on 10+ mile hikes with my girlfriend and we’ve noticed this happens after 2-3 hrs of straight, continuous hiking. When you all the sudden stop, it looks like the surrounding environment is coming at you. Super weird, same concept.
Re:Perceptual Illusions (2018) by arodgers_la on Thursday August 26, 2021 @03:30AM (#28311691)
Less impressively, the same effect can be observed after playing Guitar Hero for a while.
Re:Perceptual Illusions (2018) by gpas on Wednesday August 25, 2021 @06:37PM (#28308051)
It's amazing how well it reproduces how some psychedelics warp vision. Those act on the brain, this tricks the eyes, similar result.

I experience something similar while cycling on trails. If I watch only the road rolling under me for some time and then look at some static object, like a big cloud, it appears to move towards me (or away, can't remember right now).

Re:Perceptual Illusions (2018) by mc32 on Wednesday August 25, 2021 @09:26PM (#28309458)
Nos. 3 and 4 only work at some sizes. If you increase or decrease the size of no 4, the illusion goes Away. For no 3, if you size up, the illusion goes away (as the bleed stops being an issue)