In Latin, illudere means to mock or trick, which is the origin of the word illusion.
To give us a sensory experience, our brain fills in information gaps from the eyes. We call it perception.
Optical illusion pictures are one of the easiest brain attention tests.
Optical illusion pictures have also been used by neuroscientists to study reality perception.
Practicing optical illusion puzzles may improve problem-solving and lateral thinking.
Enjoy this optical illusion challenge? Share it with family and friends to see who solves it fastest.
Try more challenges from our recommended reading before leaving.