Two eyes, aligned horizontally, above a nose, above a mouth. These are the basic elements of a face, as your brain knows quite well. Within about 200 milliseconds of seeing a picture, the brain can decide whether it’s a face or some other object. It can detect subtle differences between faces, too — walking around at my family reunion, for example, many faces look similar, and yet I can easily distinguish Sue from Ann from Pam.
Our fascination with faces exists, to some extent, on the day we’re born. Studies of newborn babies have shown that they prefer to look at face-like pictures. A 1999 study showed, for example, that babies prefer a crude drawing of a lightbulb “head” with squares for its eyes and nose compared with the same drawing with the nose above the eyes. “I believe the youngest we tested was seven minutes old,” says Cathy Mondloch, professor of psychology at Brock University in Ontario, who worked on that study. “So it’s there right from the get-go.”
Excerpt from an article written by Virginia Hughes at NatGeo. Continue THERE