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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Discover why hills look steeper than they are and how eye height and gaze angle shape everyday visual perception. (CREDIT: Getty ...

A new UCLA study challenges long-standing research claims that people of East Asian and European origins perform differently on a well-known visual perception test. The rod-and-frame task asks viewers ...

For the Visual Perception test, in fact, there are many ways, but practising optical illusions in a daily routine improves ...

Although humans' visual perception of the world appears complete, our eyes contain a visual blind spot where the optic nerve connects to the retina. Scientists are still uncertain whether the brain ...

So, now you all know where the Hummingbird is hidden, and by solving this optical illusion, you all have enjoyed it. By practising these types of puzzles, your vision will increase, and your ...

Optical illusions are a fun and interesting way to challenge our brains and sharpen our observation skills. Sometimes, what we see at first glance is not the complete picture. There are hidden within ...

Past research has suggested that people's cultural differences may result in differences in basic visual perception. New research found no evidence that these differences play a significant role in ...