Visual illusions test how attentive one’s eyes are. In today’s visual illusion test, a dog is hiding among the polar bears in ...

Optical illusions are great at testing your visual perception and seeing how your brain interprets visual context, subtle ...

What is an Optical Illusion? An optical illusion is a visual phenomenon where the brain misinterprets what the eyes see.

An optical illusion is a visual phenomenon where the brain misinterprets what the eyes perceive, creating a false or ...

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 ...

Ready to challenge your brain and your eyes at the same time? This optical illusion and IQ-style test is designed to check ...

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 ...

Past research has suggested that people's cultural differences may result in differences in basic visual perception. New research found no evidence that these differences play a significant role in ...