This brain-frazzling optical illusion is enough to put your head ... If you gaze on the center of the image, the illusory movement slows down or stops altogether. Optical illusions are often ...

When you then shift your gaze to the rocks, other competing neurons over-compensate, causing the illusion of movement in the other direction. Ebbinghaus The real boom in studying illusions began ...

The stopped clock illusion, for instance is induced by a situation where a clock’s second hand moves while the eyes are in motion, and thus don’t actually see the movement. In that case ...

Akiyoshi Kitaoka The study found that the black hole illusion works best with a magenta background. With the perceived movement into a dark tunnel, viewers expect a change in illumination ...

It differs from dizziness in that vertigo describes an illusion of movement... Vertigo is the result of an inner ear problem. The most common cause is benign paroxysmal positional vertigo (BPPV).