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

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 ...

Most people are convinced they see the world exactly as it is, until a viral illusion quietly proves otherwise. The latest circle-filled puzzle racing around social feeds is a reminder that even ...

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 ...

People rarely notice how their eyes shape their sense of the world, yet new research shows just how powerful this effect can be. A study from Ohio researchers reveals that even small changes in the ...