Finding hidden images in optical illusions is an effective mental exercise that challenges your cognitive functions while ...

Optical illusions to find the hidden objects and numbers are effective at revealing your brainpower and visual IQ. How sharp ...

A hidden dog optical illusion shared on Reddit puzzled users.

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 illusions, ...

An Optical Illusion is a fun way to challenge our minds to think out-of the box. It requires deep visualisation to think and ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Andriy Onufriyenko via Getty Images Though optical illusions come in all shapes and ...

An Optical Illusion is a type of puzzle that requires cognitive skills, a high IQ, and keen visual perception. As per ...

A recent social media optical illusion is revealing inner emotional states. Seeing two girls first suggests a playful, social ...

In this Ebbinghaus illusion of relative size perception, the orange circle on the left looks bigger than the one on the right - but it is actually 10 per cent smaller. In a new study, medical imaging ...