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Optical Illusion: Can You Work it Out?

The image above is an information from an entry in this year’s Illusion of the Year competition, which has had numerous hundreds of individuals baffled since it showed up on YouTube in recent days.

How do these circular objects appear square when they’re reflected in a mirror? And what happens when they’re rotated?

Optical illusion

This remarkable illusion, developed by university professor Kokichi Sugihar, only came second in the contest, which is organised by the  Neural Correlate Society, an organization that “promotes scientific research into the neural correlates of perception and cognition.”

So how does it work? The professor explains: “The direct views of the objects and their mirror images generate quite different interpretations of the 3D shapes.


“They look like vertical cylinders, but their sections appear to be different; in one view they appear to be rectangles, while in the other view they appear to be circles.

“We cannot correct our interpretations although we logically know that they come from the same objects.

“Even if the object is rotated in front of a viewer, it is difficult to understand the true shape of the object, and thus the illusion does not disappear.”

The optical illusion is the latest image to get internet users’ brains working overtime in recent weeks.

This deceptive image went viral after it was shared by Manchester-based Facebook user Arron Bevin, who wrote: “This is one of the best optical illusions I’ve seen. If you see it, don’t spoil it!!!!! Just like n [sic] share!!! Took me a good 5 minutes.”



Written by How Africa

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