The phrase "Mozart Effect" conjures an image of a pregnant woman who, sporting headphones over her belly, is convinced that playing classical music to her unborn child will improve the tyke's intelligence. But is there science to back up this idea, which has spawned a cottage industry of books, CDs and videos?A short paper published in Nature in 1993 unwittingly introduced the supposed Mozart effect to the masses. Psychologist Frances Rauscher's study involved 36 college kids who listened to either 10 minutes of a Mozart sonata in D-major, a relaxation track or silence before performing several spatial reasoning tasks. In one test—determining what a paper folded several times over and then cut might look like when unfolded—students who had listened to Mozart seemed to show significant improvement in their performance (by about eight to nine spatial IQ points).
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