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Monkey Music

According to a new study, published in the latest issue of Biology Letters, music skills evolved at least 30 million years ago in the common ancestor of humans and monkeys, which could help explain why chimpanzees drum on tree roots and monkey calls sound like singing.  The study also suggests an answer to this chicken-and-egg question: Which came first, language or music? The answer appears to be music.

“Musical behaviors would constitute a first step towards phonological patterning, and therefore language,” lead author Andrea Ravignani said.

For the study, Ravignani, a doctoral candidate at the University of Vienna’s Department of Cognitive Biology, and his colleagues focused on an ability known as “dependency detection.” This has to do with recognizing relationships between syllables, words and musical notes. For example, once we hear a certain pattern like Do-Re-Mi, we listen for it again. Hearing something like Do-Re-Fa sounds wrong because it violates the expected pattern.

In the study, squirrel monkeys sat in a sound booth and listened to a set of three novel patterns. (The researchers fed the monkeys insects between playbacks, so the monkeys quickly got to like this activity.) Whenever a pattern changed, similar to our hearing Do-Re-Fa, the monkeys stared longer, as if to say, “Huh?”

“This kind of experiment is usually done by presenting monkeys with human speech,” co-author Ruth Sonnweber said. “Designing species-specific music-like stimuli may have helped the squirrel monkeys’ perception.”

 

The squirrel monkeys demonstrated that they understood sound patterns — and when they changed. This ability, central to language and music, therefore evolved at least 30 million years ago in the small and furry tree-dwelling primate that was the last common ancestor of humans and monkeys.  It’s likely that all primates today share these skills and are as aware of music as we humans are.

 

news.discovery.com/animals/monkey-human-ancestors-got-music-30-million-years-ago-131112.htm

 

Happy Monkday :_)

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  • fiverr seo says:

    Thanks again for the post. Keep writing.

    02/03/2016 at 11:50 am

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