The work reveals why we cannot resist moving in sync with the beat when we listen to music with an optimal level of syncopation, says Benoit Bardy, a professor of movement science at the University of Montpellier in France.
In one study, they played 12 different melodies. The main beat was always two hertz, or roughly two events per second. But the melody's rhythmic shifts varied so that each tune was played with three different degrees of syncopation.
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