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zakruti.com » Knowledge, science, education » WIRED
Why Your Brain Thinks This Water Is Spiralling - Science Of Illusions

Why Your Brain Thinks This Water Is Spiralling - Science Of Illusions

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Rating: 4.0; Vote: 1
WIRED's Robbie Gonzalez visits with Stanford neuroscientist David Eagleman to learn about illusions showing water that appears to stand still or float upward, wheels that appear to move backwards, and more. Check out some longer versions of these illusions here! Spinning dots: Spinning dots with mirror
Date: 2022-07-06

Comments and reviews: 10


Sometimes I see movements in major films and things like breaking glass or snowflakes look jittery. They don't -go backwards- but they look like ultra fast stop motion. I wasn't sure if it was intentional, which wouldn't make artistic sense for a film like Gladiator anyway and Hollywood can afford the best cameras.
Someone in film who would know said my brain was picking up on the discrepancy in frame rate and shutter rate the camera was set at. It wasn't that my brain is discerning 23. 97 individual images per second; that would make almost every film unwatchable. Just my melon is struggling with resolving what's happening, influenced by the discrepancy.

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i've been interested in optical illusions since my school days, my first girlfriend studied psychology at ucl london, i've been in psychotherapy and i even have a careres qualification for schizophrenia, AND i worked in computer graphics between 1980 up to about 2010, so i know a bit about optical and visual illusions, i can make the turntable(s) do whatever i want! lol!
here's a mind bender for you, what colour is an atom? photons are all the same, they have no intrinsic colour, colour is invented in the brain ONLY, the universe is grey.

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A pity this was a year ago but I saw the water as a sinusoidal(ish) oscillation in the plane of the fountain. Why would I -invent- a perpendicular component for which there is no evidence?
PS: I do NOT blank vision when moving my eyes so I don't move them - I just -watch- a different part of my field of view. In effect, I ALWAYS stare at a fixed point, so if I was prone to this illusion then I would see a very weird world indeed.

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The entire intro is extemely cringe. -What happens neuraly to make us see it like this- - Well, nothing. You see it like that because that is what your phone is displaying, your are seeing it exactly as it looks, through your phone. Absolutly nothing is going on with the way this is shown and interpreted.
Why the phone sees it like that and displays it like that is an entirely different question.

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So through the whole video I was asking myself what frame rate our brain would see things at and when you did the moving dot experament that individuals see changing at different speeds gave me a whole new appreciation for our brains constantly attempting to piece what our senses are telling us every moment. Wow. What a beautiful thing it is!
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he is wrong about the last demonstration and that is easily proved by the fact the illusion requires a simular framerate to your eye, as for the strobe light demo ive seen it done much better with a set of vibrating mirrors which allow you to see both the real water and the illusionary images at the same time all without a camera or a strobe light
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-so we took apart the hose with tape to speaker invention and went down to the doctors. we showed him how good we done with the tape and hose to a speaker and he said we did a good job but i think he's just happy he's not dating my cousin anymore. mmmhhmm attaching that there speaker with a hose attached was mighty hard gettins
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PPS This leads people to not notice that I am looking at them which can be quite interesting!
The same process works for my hearing too. I can listen to several (3) conversations at once provided they are angularly separated w. r. t my fixed head. I can't join in however.

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-it was super fun to build! all we did is stuck that there here hose what that there tape on a speaker like. super fun to build. me and my pardner that built that speaker to here's hose. took about 8 months to attach the hose speaker to the hose and the speaker itself like.
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-it was super fun to build! all we did is stuck that there here hose what that there tape on a speaker like. super fun to build. me and my pardner that built that speaker to here's hose. took about 8 months to attach the hose speaker to the hose and the speaker itself like.
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