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.

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Optical illusions are a fun and challenging way that tricks our visual illusion, and this motion optical illusion is ...

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 ...

A standard deck of cards becomes the center of a fast-moving showcase built around visual tricks that are designed to impress ...

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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. In Head Trip, PopSci explores the relationship between our brains ...

Only those with excellent observation skills can find the hidden koala among the pandas in this optical illusion image. Can you beat the 11-second timer? Test your visual acuity now! Optical illusions ...

Visual illusions of motion are a major source of interest in the vision research community. Explaining how a still image can produce an illusory perception of motion is important for a more complete ...

Volunteers were asked to try to rotate two balls around each other on their hands under two different learning conditions. Tokyo, Japan – Researchers from Tokyo Metropolitan University showed that ...