‘Languages Without Ancestors’ Explored By Experts During The 2009 AAAS Annual Meeting

February 17, 2009 at 11:00 am Leave a comment


People who are deaf create their own languages in a variety of circumstances, according to experts who discussed this phenomenon during the 2009 AAAS Annual Meeting, in Chicago, Illinois.





A single child with deafness, living in a family that uses spoken language, can invent simple gestures called “homesigns.” There may be thousands of homesigners in a given society. But more conventional sign languages only arise when larger numbers of people come together, whether in schools or communities, and pass on signs from generation to generation. Speakers at the AAAS Meeting will discuss the results from ongoing studies of sign languages — how they emerge, evolve and sometimes, like spoken languages, disappear.





Marie Coppola, postdoctoral fellow at the Department of Psychology, University of Chicago, Illinois,discussed her work with four Nicaraguan homesigners and how such individual gesture systems likely provided the raw materials for the language that emerged in the school for the deaf. Coppola presented her latest findings during a symposium on “Languages Without Ancestors,”





Coppola also is featured on a related AAAS podcast, made available via EurekAlert!. “Deaf children develop gestures to communicate when they are in situation where they are not exposed to a conventional sign language,” she reports. “As they get older, these gesture systems, which are often known as homesigns, become more complex.”





The patterns of linguistic structure found in gesture systems of homesigners and in successive generations of signers give clues on how language evolves, AAAS speakers say, but researchers are still grappling with questions such as how many people it takes to create a language and when the earliest sign systems attained a complexity greater than homesigns.





AAAS speaker Mark Aronoff, professor of linguistics at Stony Brook University, Stony Brook, N.Y., and Wendy Sandler, director of the Sign Language Research Laboratory at the University of Haifa, Israel, traced the development of a sign language that arose in a family with four deaf children in an insular Bedouin village in Israel. The language, now in its third generation, is used by 150 deaf and many hearing people.





Another speaker, Ann Senghas, associate professor of psychology at Barnard College of Columbia University, New York, N.Y., described her work on a Nicaraguan sign language that emerged in the 1970s among formerly isolated students who came together at a school for the deaf in the city of Managua.





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Article adapted by Medical News Today from original press release.

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About AAAS





The American Association for the Advancement of Science (AAAS) is the world’s largest general scientific society, and publisher of the journal, Science (http://www.sciencemag.org). AAAS was founded in 1848, and serves 262 affiliated societies and academies of science, reaching 10 million individuals. Science has the largest paid circulation of any peer-reviewed general science journal in the world, with an estimated total readership of 1 million. The non-profit AAAS (http://www.aaas.org) is open to all and fulfills its mission to “advance science and serve society” through initiatives in science policy, international programs, science education and more. For the latest research news, log onto EurekAlert!, http://www.eurekalert.org, the premier science-news Web site, a service of AAAS.





Source:



Earl Lane


Molly McElroy


American Association for the Advancement of Science

[Via http://www.medicalnewstoday.com]

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