Mermaid, Fish Or Donkey: See The Optical Illusion That Stumped JK Rowling – NDTV.com

An optical illusion that has gone viral online claims to reveal whether a person is left-brained or right-brained depending upon what they see.

Thousands of people, including celebrities, weighed in on the illusion after it surfaced on Twitter.

This idea has been believed for decades, but according to Harvard Health, new evidence suggests that left vs right brain is nothing more than a myth.

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