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 ...

Discover why hills look steeper than they are and how eye height and gaze angle shape everyday visual perception. (CREDIT: Getty Images) People rarely notice how their eyes shape their sense of the ...

Test your visual perception and focus with this viral optical illusion challenge! Can you find the number 87 hidden among the 78s? Boost your brain power with this 7-second visual perception challenge ...

A new screening tool for visual perception difficulties after stroke that takes just 15 minutes to complete could help improve diagnosis of visual perception problems common in stroke survivors, new ...

Sounds can alter the way the brain interprets what it sees. This is the key finding of a new study by SISSA researchers in Trieste, published in PLOS Computational Biology. The research shows that, ...

People rarely notice how their eyes shape their sense of the world, yet new research shows just how powerful this effect can be. A study from Ohio researchers reveals that even small changes in the ...

Any walker or hiker can tell you that an uphill path is more challenging than a flat one. But does it literally look longer, too? A study in the May issue of Attention, Perception, & Psychophysics ...