To what extent are call combinations in chimpanzees comparable to syntax in humans?

Syntax is considered a key feature distinguishing human language from other non-human animal communication systems. However, evidence for combinatorial capacities in a wide variety of species, such as birds and monkeys, has challenged this assumption. Nevertheless, a contentious debate surrounding t...

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Main Author: Maël Leroux
Format: Article
Language:English
Published: Société Francophone de Primatologie 2023-12-01
Series:Revue de Primatologie
Subjects:
Online Access:https://journals.openedition.org/primatologie/16469
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author Maël Leroux
author_facet Maël Leroux
author_sort Maël Leroux
collection DOAJ
description Syntax is considered a key feature distinguishing human language from other non-human animal communication systems. However, evidence for combinatorial capacities in a wide variety of species, such as birds and monkeys, has challenged this assumption. Nevertheless, a contentious debate surrounding the evolutionary origins of syntax remains, specifically whether the combinatorial capacities displayed in animals merely illustrate a case of convergent evolution or whether it could also represent, within the primate lineage, a homologous trait to syntax in humans. In this piece, I review the literature on combinatorial signalling in our closest-living relative, the chimpanzee (Pan troglotytes), central to demonstrating a more ancient evolutionary account of syntax. Specifically, I detail the combinatorial structures highlighted in chimpanzees, the experimental evidence pointing toward the syntactic-like nature of these combinations, as well as the limitations the field needs to overcome to go a step further and address the question of the evolution of syntax more holistically. I discuss future directions building on exciting recent evidence for combinatorial flexibility in chimpanzees and the potential for learning. Finally, by proposing a compositional analysis to documented combinations of gestures with facial expressions, I argue that a promising avenue for the study of the evolution of syntax lies in the understanding of multimodal combinatorial signalling in our closest-living relatives and its ontogeny.
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spelling doaj-art-84131d4b94f04e96837b45c9dbfab8b42025-01-30T10:01:40ZengSociété Francophone de PrimatologieRevue de Primatologie2077-37572023-12-011410.4000/primatologie.16469To what extent are call combinations in chimpanzees comparable to syntax in humans?Maël LerouxSyntax is considered a key feature distinguishing human language from other non-human animal communication systems. However, evidence for combinatorial capacities in a wide variety of species, such as birds and monkeys, has challenged this assumption. Nevertheless, a contentious debate surrounding the evolutionary origins of syntax remains, specifically whether the combinatorial capacities displayed in animals merely illustrate a case of convergent evolution or whether it could also represent, within the primate lineage, a homologous trait to syntax in humans. In this piece, I review the literature on combinatorial signalling in our closest-living relative, the chimpanzee (Pan troglotytes), central to demonstrating a more ancient evolutionary account of syntax. Specifically, I detail the combinatorial structures highlighted in chimpanzees, the experimental evidence pointing toward the syntactic-like nature of these combinations, as well as the limitations the field needs to overcome to go a step further and address the question of the evolution of syntax more holistically. I discuss future directions building on exciting recent evidence for combinatorial flexibility in chimpanzees and the potential for learning. Finally, by proposing a compositional analysis to documented combinations of gestures with facial expressions, I argue that a promising avenue for the study of the evolution of syntax lies in the understanding of multimodal combinatorial signalling in our closest-living relatives and its ontogeny.https://journals.openedition.org/primatologie/16469Pan troglodyteslanguageCompositionalitycombinatorialityevolution of syntax
spellingShingle Maël Leroux
To what extent are call combinations in chimpanzees comparable to syntax in humans?
Revue de Primatologie
Pan troglodytes
language
Compositionality
combinatoriality
evolution of syntax
title To what extent are call combinations in chimpanzees comparable to syntax in humans?
title_full To what extent are call combinations in chimpanzees comparable to syntax in humans?
title_fullStr To what extent are call combinations in chimpanzees comparable to syntax in humans?
title_full_unstemmed To what extent are call combinations in chimpanzees comparable to syntax in humans?
title_short To what extent are call combinations in chimpanzees comparable to syntax in humans?
title_sort to what extent are call combinations in chimpanzees comparable to syntax in humans
topic Pan troglodytes
language
Compositionality
combinatoriality
evolution of syntax
url https://journals.openedition.org/primatologie/16469
work_keys_str_mv AT maelleroux towhatextentarecallcombinationsinchimpanzeescomparabletosyntaxinhumans