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  Young children spontaneously recreate core properties of language in a new modality

Bohn, M., Kachel, G., & Tomasello, M. (2019). Young children spontaneously recreate core properties of language in a new modality. Proceedings of the National Academy of Sciences, 116(51), 26072-26077. doi:10.1073/pnas.1904871116.

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https://manuelbohn.github.io/ges3000/ges3000.html (Ergänzendes Material)
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https://github.com/manuelbohn/ges3000 (Ergänzendes Material)
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 Urheber:
Bohn, Manuel1, Autor                 
Kachel, Gregor1, Autor                 
Tomasello, Michael2, Autor                 
Affiliations:
1External Organizations, ou_persistent22              
2Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society, ou_1497671              

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 Zusammenfassung: Human social and cultural life rests on a unique set of communicative abilities. Newly emerging communication systems provide a window into the cognitive and interactional basis of these skills. In a muted video call setup, children were required to convey meaning to a partner while being unable to use spoken language. The gestural code systems that children created ad hoc within a 30-min test session exhibited core features of natural language and emergent sign languages: referential signals for objects, actions, and abstract concepts, conventional use of these signals, and grammatical structure. These results demonstrate that language-like communication systems can emerge rapidly out of social interaction.How the world’s 6,000+ natural languages have arisen is mostly unknown. Yet, new sign languages have emerged recently among deaf people brought together in a community, offering insights into the dynamics of language evolution. However, documenting the emergence of these languages has mostly consisted of studying the end product; the process by which ad hoc signs are transformed into a structured communication system has not been directly observed. Here we show how young children create new communication systems that exhibit core features of natural languages in less than 30 min. In a controlled setting, we blocked the possibility of using spoken language. In order to communicate novel messages, including abstract concepts, dyads of children spontaneously created novel gestural signs. Over usage, these signs became increasingly arbitrary and conventionalized. When confronted with the need to communicate more complex meanings, children began to grammatically structure their gestures. Together with previous work, these results suggest that children have the basic skills necessary, not only to acquire a natural language, but also to spontaneously create a new one. The speed with which children create these structured systems has profound implications for theorizing about language evolution, a process which is generally thought to span across many generations, if not millennia.

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Sprache(n): eng - English
 Datum: 2019-12-022019-12-17
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1073/pnas.1904871116
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Titel: Proceedings of the National Academy of Sciences
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: National Academy of Sciences
Seiten: - Band / Heft: 116 (51) Artikelnummer: - Start- / Endseite: 26072 - 26077 Identifikator: ISSN: 0027-8424