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

Use your sharp IQ skills. So, how was the challenge? Okay, congratulations to those who could have spotted all the nines and ...

Optical illusions with hidden images are amazing for testing your visual powers. These illusion images challenge your brain's ...

A quick and easily administered test that measures visual perception can accurately distinguish mild to moderate dementia associated with Lewy body disease (LBD) from dementia associated with ...

Visual illusions are images that can fool even the most observant eyes. Visual illusions are loved by the netizens and have become a popular puzzle among the internet crowd. These puzzles are not only ...

A new UCLA study challenges long-standing research claims that people of East Asian and European origins perform differently on a well-known visual perception test. The rod-and-frame task asks viewers ...

Discover why hills look steeper than they are and how eye height and gaze angle shape everyday visual perception. (CREDIT: Getty Images) People rarely notice how their eyes shape their sense of the ...