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A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

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

Optical illusions have a way of tricking our brains in ways that you can't even imagine. These mind-bending images may look different at first glance, while a whole new perspective opens up once you ...

Perception researchers have long known about the structural and functional features that differentiate our central vision from our peripheral vision. The central (or foveal) region of our retinas are ...

In this optical illusion picture, a banana is hiding at the construction site. Only sharp-eyed individuals can find the banana within 9 seconds!