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

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 ...

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 ...

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 ...