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 ...

A study of mice starts to unravel how the brain gets tricked by this kind of optical illusion, and it gives clues about how visual perception works. Optical illusions play on the brain's biases, ...

Scientists armed with a new computer model have taken a step closer to unlocking the mind-bending secrets of optical illusions that trick the brain into seeing the wrong colors when it's processing ...

Optical illusions are fascinating internet users these days. Now, a new puzzle is blowing people’s minds online, and makes a simple flat image look completely three-dimensional. The viral post on ...