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Stem mice belong to the genus Scotinomys with two species ranging from southern Mexico to northern Panama.
His music is extremely complex and includes hundreds of different high frequency tones.
They challenge rivals by dueling with music, a form of duets in which rats alleviate at high speed and where the music of each mouse changes constantly in response to the music of opponents.
The researchers, led by neurologist Michael Long of the University of New York in the United States, note that the way the rat duel is similar to a quick conversation between people.
Long and his colleagues, who report their findings in Science, have discovered that music is controlled by nerve pathways in the cerebral cortex motor. Some of them control the muscles needed to produce the different tones of the song. Others control the rapid change between tones.
It probably works the same way when we talk to each other. Researchers believe that the result can help us understand what is going on in the brain when something goes wrong and we can no longer engage in dialogue, for example in the case of autism or stroke.
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