Why you can't get that song out of your head

(TELEGRAPH) — There are few things more frustrating than being unable to dislodge a catchy tune from your head all day.

But now psychologists have come up with an explanation for why certain songs can get stuck in your brain like a broken record.

Word memory association, situations of stress, a wandering mind and altered emotional states can all be blamed for the phenomenon, psychologist Dr Lauren Stewart said.