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Science Quickly

This Primate's Calls Obey a Linguistic Law

Science Quickly

Scientific American

Science

4.2639 Ratings

🗓️ 21 April 2016

⏱️ 3 minutes

🧾️ Download transcript

Summary

The vocalizations of the gelada, a baboon relative, appear to follow a linguistic rule called Menzerath's law. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

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0:05.8

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0:11.0

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0:19.6

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0:22.7

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0:33.6

This is Scientific American's 60-second science. I'm Christopher in Talata. Got a minute?

0:39.8

Communication on Twitter is artificially constrained.

0:42.6

Just 140 characters per tweet, max.

0:45.8

So it turns out the more words in a tweet, the shorter each word tends to be.

0:50.3

At least according to one analysis.

0:52.5

It sort of makes sense on Twitter, right?

0:54.3

There's a limited amount of space to play with.

0:56.6

But the weird thing is, that pattern, longer phrase, shorter words, it also holds true in our

1:02.1

everyday language, too.

1:03.8

It's called Menserith's Law.

1:05.4

It's this idea of essentially compression and information.

1:09.3

Morgan Gustafin, a psychologist at the University of Michigan.

1:12.7

And so mensurist law, the way you define it is the larger the whole, the smaller the parts.

1:18.7

Gustusen and her colleagues tested out that rule of human language on the calls of gelatas, relatives of baboons.

1:30.4

They analyzed more than a thousand of those call sequences,

1:33.6

which are strung together from six distinct call types.

1:37.2

And they found that, just as the law would predict in human communication,

...

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