So, you think you can clap to the beat?

(McGill University) Bobbing your head, tapping your heel, or clapping along with the music is a natural response for most people, but what about those who can't keep a beat? Researchers at McGill University and the University of Montreal, have discovered that beat-deafness, though very rare, is a problem not simply of how people feel a pulse or move their bodies, but instead, how people synchronize with sounds they hear.