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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Discover why hills look steeper than they are and how eye height and gaze angle shape everyday visual perception. (CREDIT: Getty ...

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 ...

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 ...