If you want your friend to see you in a crowd, you wave your arms to stand out. As University of Rochester researchers found, one reason why this works is that the brain suppresses the background, ...

Visual motion is an important source of information for separating objects from their backgrounds. A spider camouflaged against a branch, for instance, immediately loses its invisibility once it ...

Visual motion is an important source of information for separating objects from their backgrounds. A spider camouflaged against a branch, for instance, immediately loses its invisibility once it ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When a baseball player hits a home run off a 100-mph fastball, how can the slugger's brain track ...