Languages, like human bodies, come in a variety of shapesโbut only to a point. Just as people donโt sprout multiple heads, languages tend to veer away from certain forms that might spring from an imaginative mind. For example, one core property of human languages is known asย duality of patterning: meaningful linguistic units (such as words) break down into smaller meaningless units (sounds), so that the wordsย sap,ย pass, andย aspย involve different combinations of the same sounds, even though their meanings are completely unrelated.
Itโs not hard to imagine that things could have been otherwise. In principle, we could have a language in which sounds relate holistically to their meaningsโa high-pitched yowl might mean โfinger,โ a guttural purr might mean โdark,โ a yodel might mean โbroccoli,โ and so on. But there are stark advantages to duality of patterning. Try inventing a lexicon of tens of thousands of distinct noises, all of which are easily distinguished, and you will probably find yourself wishing you could simply re-use a few snippets of sound in varying arrangements.
Asย noted by Elizabeth Svoboda in the current issue ofย Nautilus, the dominant thinking until fairly recently was that universal linguistic properties reflect genetic predispositions. Under this view, duality of patterning is much like an opposable thumb: It evolved within our species because it was advantageous, and now exists as part of our genetic heritage. We are bornย expectingย language to have duality of patterning.
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What to make, then, of the recent discovery of a language whose words areย notย made from smaller, meaningless units? Al-Sayyid Bedouin Sign Language (ABSL) is a new sign language emerging in a village with high rates of inherited deafness in Israelโs Negev Desert. According toย a report led by Wendy Sandlerย of the University of Haifa, words in this language correspond to holistic gestures, much like the imaginary sound-based language described above, even though ABSL has a sizable vocabulary.
Read the full, original story: The unusual language that linguists thought couldn’t exist
