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 visual puzzle challenges you to find a hidden inverted \"52\" among numerous inverted \"25\"s within an 8-second time limit. This brain teaser tests you ...

Shake your head and tell what do you see hidden in this optical illusion image. There is an animal obscured by these moving black and white vertical lines. But only someone with exceptional visual ...

That’s “face pareidolia” and it is a perfectly normal illusion where our brains spot faces in patterns that aren’t actually ...

The test starts with a man saying “ba” over and over again. It’s evident that he is "mouthing" the sound simultaneously, so if you were to read his lips, you would come up with the correct sound he is ...

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 ...

Researchers specialised in psychiatry and psychology at the University of Helsinki investigated the effects of depression on visual perception. The study confirmed that the processing of visual ...

I'm going to show you a video clip, in which there are two groups of people, a white team and a black team, and you are to count the number of times that the white team passes or bounces the ball to ...