If you found it within 5 seconds, congratulations! You have top-tier observation skills and a brain built for problem-solving ...

Optical illusions are not just cute visual tricks but rather cognitive puzzles that give an interesting view into how our ...

Take this optical illusion IQ test online! Spot the hidden piano among zebras in just 5 seconds. Test your observation skills with this tricky optical illusion puzzle and challenge your friends to ...

Yet, the illusion remains, as your perception is still influenced by the background and neighboring colors.' This is what's known as a 'colour saturation optical illusion', and comes down to the ...

RECENT articles 1–3 in Nature have discussed the explanation of optical illusions and, in particular, Gregory's theory of constancy scaling. According to this theory, illusions are produced in ...

From the mad snap of the sitting women that always has us baffled, a 'second horse' only people with a high IQ can spot, and ...

This captivating image challenges your sharp vision and quick thinking. Among dozens of dice scattered across a vibrant purple background, one rogue d ...

Optical illusions can enhance cognitive abilities ... testing mental agility. Understanding the background and visual contrasts helps in identifying the hidden elements. These exercises not ...