![]() In the video recordings, the rats’ head bobbing was more pronounced when the sonata played at its usual tempo, around 132 beats per minute. He studies music cognition, the mental processes involved in perceiving and responding to music. And that’s intriguing,” says Aniruddh Patel, a psychologist at Tufts University in Medford, Mass., who was not involved in this research. “There’s lots of reasons to think maybe would prefer faster rhythms. ![]() Humans tend to prefer foot tapping to music that’s between 120 to 140 beats per minute, but a small animal like a rat would probably need a quicker tempo to get that same reaction, the researchers hypothesized. The team initially thought that body size might determine the tempos that triggered any head bopping. The team sped up and slowed the tempo, as well as played it at its normal speed, observing the rats’ motions not only visually, but also with wireless accelerometers, which were surgically placed on the rats. It’s a mystery why some species, like humans and parrots, have the innate ability and others do not ( SN: 4/30/09).įor rats in the lab, Takahashi and his colleagues put on Mozart’s “Sonata for Two Pianos in D Major” (K. The ability to recognize the beat of a song and synchronize the movements of one’s body to it is known as beat synchronization. But I believe that its origin is somehow inherited from our progenitors,” says Hirokazu Takahashi, a mechanical engineer at the University of Tokyo, who studies how the brain works. ![]() “Some of us believe that music is very special to human culture.
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