Try describing a shade of green you saw on a jacket yesterday. Or the shape of a lamp you liked in a bookstore. Words often fall short. But an image? It says it all. That's the promise of visual ...

Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.

Faced with images that break the expected pattern, like a do not enter sign where a stop sign is expected, how does the brain react and learn compared to being shown images which match what was ...