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

Today, we have designed a black-and-white optical illusion, in which your observation and visual perception will be tested ...

Why does the brain split visual spatial perception between its hemispheres? A new review by neuroscientists examines the advantages and trade-offs, and how the brain ultimately makes vision feel ...

People have a lot of misconceptions about what the brain's left and right hemispheres do, but one well-known aspect of this division may be even more true than people realize: The brain not only ...

Can you do 3D puzzles...without using your hands? Our visual-spatial intelligence test assesses your ability to mentally manipulate 3D objects, a skill that has practical significance in everyday life ...

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 ...