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 ...

The latest viral visual challenge is a grid packed with visually similar numbers and symbols designed to trick your eyes and test your cognitive focus. The mission? Spot the number 87 hidden among all ...

(Also read: Eye-test challenge: Can you count all the horses ... focus can count all the turtles in this image) As these visual puzzles spread across the internet, they continue to captivate ...

In today’s optical illusion challenge, viewers are asked to spot the hidden number 83 camouflaged among similar-looking shapes. This tricky brain teaser tests your visual perception and attention to ...

Our visual perception seems to depend more strongly ... a group of participants repeated the test with a variable score. Unlike the first experiment, however, the Gabor patch pairs were displayed ...

Brain teasers come in many shapes and sizes—some rely on mathematical skills, others test ... process visual information. These illusions can deceive us by playing on our perception of shapes ...

Surveys of occupational therapists show there is a need for a standardised tool and training in visual perception screening. The new test, called the Oxford Visual Perception Screen (OxVPS), is a ...

Researchers suggest that people with faster eye movement can see objects in motion that are invisible to others.