Youngsters do not pay attention to conversational rules: is this so for nonhuman primates?

Scientific Reports
Alban LemassonHiroki Koda

Abstract

The potentiality to find precursors of human language in nonhuman primates is questioned because of differences related to the genetic determinism of human and nonhuman primate acoustic structures. Limiting the debate to production and acoustic plasticity might have led to underestimating parallels between human and nonhuman primates. Adult-young differences concerning vocal usage have been reported in various primate species. A key feature of language is the ability to converse, respecting turn-taking rules. Turn-taking structures some nonhuman primates' adult vocal exchanges, but the development and the cognitive relevancy of this rule have never been investigated in monkeys. Our observations of Campbell's monkeys' spontaneous vocal utterances revealed that juveniles broke the turn-taking rule more often than did experienced adults. Only adults displayed different levels of interest when hearing playbacks of vocal exchanges respecting or not the turn-taking rule. This study strengthens parallels between human conversations and nonhuman primate vocal exchanges.

References

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Citations

Mar 5, 2013·Primates; Journal of Primatology·Alban LemassonHiroki Koda
Dec 20, 2011·BMC Evolutionary Biology·Alban LemassonKlaus Zuberbühler
Dec 15, 2015·Trends in Cognitive Sciences·Stephen C Levinson
Jul 3, 2016·Psychonomic Bulletin & Review·Sonja C Vernes
Oct 30, 2015·Biology Letters·Malgorzata ArletAlban Lemasson
Feb 18, 2016·Scientific Reports·Alban LemassonMalgorzata Arlet
Aug 26, 2015·Scientific Reports·M Briseño-JaramilloA Lemasson
Aug 6, 2014·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Stephen C Levinson, Judith Holler
Apr 24, 2015·Proceedings. Biological Sciences·Cecilia P ChowCory T Miller
Jan 27, 2019·Scientific Reports·Florence LevréroAlban Lemasson
Apr 26, 2020·Scientific Reports·Loïc PougnaultAlban Lemasson
Apr 1, 2020·PLoS Biology·Pedro Tiago Martins, Cedric Boeckx
Jun 8, 2018·Proceedings. Biological Sciences·Simone PikaSonja C Vernes
Jul 15, 2021·American Journal of Primatology·Margarita Briseño-JaramilloAlban Lemasson
Dec 8, 2021·Biological Reviews of the Cambridge Philosophical Society·Loïc PougnaultAlban Lemasson

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