Optical illusions challenging to find hidden animals are a popular type of visual test. These are not just fun challenges but also a real-time test to gauge your visual perception, attention to detail ...

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 ...

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 ...

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

" Our test, called the Imagination Perception Battery (BIP), is designed to assess the link between perception and mental imagery through the different visual qualities that enable a scene to be ...