This brain-frazzling optical illusion is enough to put your head into a spin. The purple-and-yellow image looks as though it’s both three-dimensional and moving but is in fact stationary and flat.

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

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Fooled by an optical illusion? You're not the only one. Learn how these illusions can fool AI, too.

There is a blue bicycle lying near the edge of a road on dry grass and fallen leaves. But here there is also a rabbit, which ...

The motion aftereffect, sometimes referred to as the "waterfall illusion," is one of the oldest visual illusions ever discovered, dating as far back as Aristotle. When we are exposed to a continuously ...

Our eyes can frequently play tricks on us, but scientists have discovered that some artificial intelligence can fall for the same illusions. And it is changing what we know about our brains. When we ...

Visual perception of motion and its accompanying illusions has long fascinated neuroscientists and psychologists alike. This research field examines how the brain compensates for inherent neural ...

Optical illusions are designed to trick your eyes and mind. Most average minds are not able to see through the deception. Here is an optical illusion that has a frog concealed in plain sight. Can you ...

The study of visual illusions in animals provides a compelling window into both the evolutionary continuity and diversity of perceptual processes. Research indicates that many species, from domestic ...

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