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 ...

Optical illusions have long fascinated the human brain — playing tricks on our eyes, bending our perception, and challenging us to see beyond the obvious. These captivating puzzles blur the line ...

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 ...