People with perfect eyesight can identify the wacky elephant in only six seconds on this optical illusion IQ test.

Optical illusions have always fascinated people, from the famous Escher works to the latest computer inventions.  

A fascinating aspect of optical illusions is the way they draw attention to how perception is subjective. 

When we look at something, our brains try to figure out what it means.  

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But sometimes we see things that don't add up, and that makes us doubt our senses. 

Using optical illusions, both artists and psychologists may delve further into the enigmas of visual cognition, 

shedding light on the intricate relationship between the visual system and the brain. 

In the hypnotic realm of optical illusions, perception and reality dance in a thrilling ballet.  

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