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  Deictic tools can limit the emergence of referential symbol systems

Irivine, E., & Roberts, S. G. (2016). Deictic tools can limit the emergence of referential symbol systems. In S. G. Roberts, C. Cuskley, L. McCrohon, L. Barceló-Coblijn, O. Feher, & T. Verhoef (Eds.), The Evolution of Language: Proceedings of the 11th International Conference (EVOLANG11). Retrieved from http://evolang.org/neworleans/papers/99.html.

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 Creators:
Irivine, Elisabeth1, Author
Roberts, Sean G.2, 3, Author              
Affiliations:
1Cardiff University, ou_persistent22              
2Language and Cognition Department, MPI for Psycholinguistics, Max Planck Society, ou_792548              
3INTERACT, MPI for Psycholinguistics, Max Planck Society, Wundtlaan 1, 6525 XD Nijmegen, NL, ou_1863331              

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 Abstract: Previous experiments and models show that the pressure to communicate can lead to the emergence of symbols in specific tasks. The experiment presented here suggests that the ability to use deictic gestures can reduce the pressure for symbols to emerge in co-operative tasks. In the 'gesture-only' condition, pairs built a structure together in 'Minecraft', and could only communicate using a small range of gestures. In the 'gesture-plus' condition, pairs could also use sound to develop a symbol system if they wished. All pairs were taught a pointing convention. None of the pairs we tested developed a symbol system, and performance was no different across the two conditions. We therefore suggest that deictic gestures, and non-referential means of organising activity sequences, are often sufficient for communication. This suggests that the emergence of linguistic symbols in early hominids may have been late and patchy with symbols only emerging in contexts where they could significantly improve task success or efficiency. Given the communicative power of pointing however, these contexts may be fewer than usually supposed. An approach for identifying these situations is outlined.

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Language(s): eng - English
 Dates: 2016
 Publication Status: Published online
 Pages: -
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 Rev. Type: Peer
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Title: 11th International Conference on the Evolution of Language (EvoLang XI)
Place of Event: New Orleans
Start-/End Date: 2016-03-20 - 2016-03-24

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Title: The Evolution of Language: Proceedings of the 11th International Conference (EVOLANG11)
Source Genre: Proceedings
 Creator(s):
Roberts, Sean G.1, Editor            
Cuskley, C., Editor
McCrohon, L., Editor
Barceló-Coblijn, L., Editor
Feher, O., Editor
Verhoef, T., Editor
Affiliations:
1 Language and Cognition Department, MPI for Psycholinguistics, Max Planck Society, ou_792548            
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