Optical illusions have fascinated and perplexed the human mind for centuries. These visual puzzles play tricks on our ...

Ever wondered why some people can spot tiny details instantly while others struggle? It all comes down to how efficiently ...

Test your IQ with this viral optical illusion! Can you spot the hidden animal in just 5 seconds? Only the sharpest minds can ...

If you've done this before, please refrain from talking after the video and let the others have the experience. This is a visual perception test that is used in industrial safety training. Getting ...

Can you spot the hidden kitten in this picture puzzle challenge in just 5 seconds? Test your IQ, observation skills, and ...

Optical illusions challenge our perception, and this sunflower garden puzzle is no exception! A lone buzzing bee is cleverly ...

Test your observation skills with this optical illusion challenge! Spot the hidden owl in a pattern of birch trees.

In today’s optical illusion challenge, we present a tricky brain teaser that only 1% of people can solve! Hidden among a sea of numbers is one odd number—5, can you spot it? This illusion tests your ...

To test the tool investigators conducted a cross ... can be used as the cut-off score and taken as indicative for visual perception impairment, Vancleef and colleagues said. The exceptions are ...

Rivermead Perceptual Assessment Battery; an assessment test for deficits in visual perception following a stroke or head injury, based on patients between 17 and 69 years old; invented by Whiting, ...