What is an Optical Illusion? An optical illusion is a visual phenomenon where the brain misinterprets what the eyes see.

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 ...

" Our test, called the Imagination Perception Battery (BIP), is designed to assess the link between perception and mental imagery through the different visual qualities that enable a scene to be ...

Research claims made over recent years that people of East Asian and European descent perform differently on a well-known visual perception test as a result of fundamental cultural differences may be ...