Some visual scientists think this is due to fixation jitter: eye movements that give the illusion that objects near what you’re focusing on are moving. Which of the two circles in the centre is ...

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 ...

A cyclist was left baffled by an optical illusion on a New York park which made it appear as though the ground was moving sideways. Photographer Jeremy Cohen was cycling through Corona Park when ...

The bar was S-shaped, which allowed the hoop to pass in a figure-of-eight, giving the illusion that it’s moving in a straight line when looked at from the audience. The part most people don’t ...

Medical imaging experts are adept at solving common optical illusions, according to new research. The research is the first to show that people can be trained to do better at solving visual ...