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New paper amplifies hypothesis on human language's deep origins
Date:6/11/2014

e linked to our ancestral past. Consider a linguistic phenomenon known as "discontiguous word formation," which involve sequences formed using the prefix "anti," such as "antimissile missile," or "anti-antimissile missile missile," and so on. Some linguists have argued that this kind of construction reveals the infinite nature of human language, since the term "antimissile" can continually be embedded in the middle of the phrase.

However, as the researchers state in the new paper, "This is not the correct analysis." The word "antimissile" is actually a modifier, meaning that as the phrase grows larger, "each successive expansion forms via strict adjacency." That means the construction consists of discrete units of language. In this case and others, Miyagawa says, humans use "finite-state" components to build out their communications.

The complexity of such language formations, Berwick observes, "doesn't occur in birdsong, and doesn't occur anywhere else, as far as we can tell, in the rest of the animal kingdom." Indeed, he adds, "As we find more evidence that other animals don't seem to posses this kind of system, it bolsters our case for saying these two elements were brought together in humans."

An inherent capacity

To be sure, the researchers acknowledge, their hypothesis is a work in progress. After all, Charles Darwin and others have explored the connection between birdsong and human language. Now, Miyagawa says, the researchers think that "the relationship is between birdsong and the expression system," with the lexical component of language having come from primates. Indeed, as the paper notes, the most recent common ancestor between birds and humans appears to have existed about 300 million years ago, so there would almost have to be an indirect connection via older primates even possibly the silvery gibbon.

As Berwick notes, researchers are still exploring how these two modes could have merged i
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Contact: Abby Abazorius
abbya@mit.edu
617-253-2709
Massachusetts Institute of Technology
Source:Eurekalert

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