Evidence for compositionality in baboons (Papio papio) through the test case of negation

Abstract Can non-human animals combine abstract representations much like humans do with language? In particular, can they entertain a compositional representation such as ‘not blue’? Across two experiments, we demonstrate that baboons (Papio papio) show a capacity for compositionality. Experiment 1...

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Main Authors: Isabelle Dautriche, Brian Buccola, Melissa Berthet, Joel Fagot, Emmanuel Chemla
Format: Article
Language:English
Published: Nature Portfolio 2022-11-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-022-21143-1
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author Isabelle Dautriche
Brian Buccola
Melissa Berthet
Joel Fagot
Emmanuel Chemla
author_facet Isabelle Dautriche
Brian Buccola
Melissa Berthet
Joel Fagot
Emmanuel Chemla
author_sort Isabelle Dautriche
collection DOAJ
description Abstract Can non-human animals combine abstract representations much like humans do with language? In particular, can they entertain a compositional representation such as ‘not blue’? Across two experiments, we demonstrate that baboons (Papio papio) show a capacity for compositionality. Experiment 1 showed that baboons can entertain negative, compositional, representations: they can learn to associate a cue with iconically related referents (e.g., a blue patch referring to all blue objects), but also to the complement set associated with it (e.g., a blue patch referring to all non-blue objects). Strikingly, Experiment 2 showed that baboons not only learn to associate a cue with iconically related referents, but can learn to associate complex cues (composed of the same cue and an additional visual element) with the complement object set. Thus, they can learn an operation, instantiated by this additional visual element, that can be compositionally combined with previously learned cues. These results significantly reduce any claim that would make the manipulation and combination of abstract representations a solely human privilege.
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spelling doaj.art-b8d5bc1878384c5e879d0d4ed69943ab2022-12-22T04:14:17ZengNature PortfolioScientific Reports2045-23222022-11-0112111210.1038/s41598-022-21143-1Evidence for compositionality in baboons (Papio papio) through the test case of negationIsabelle Dautriche0Brian Buccola1Melissa Berthet2Joel Fagot3Emmanuel Chemla4Laboratoire de Psychologie Cognitive, Aix-Marseille University, CNRSDepartment of Linguistics, Languages, and Cultures, Michigan State UniversityInstitut Jean Nicod, Département d’Etudes Cognitives, Ecole Normale Supérieure, PSL University, EHESS, CNRSLaboratoire de Psychologie Cognitive, Aix-Marseille University, CNRSLaboratoire de Sciences Cognitives et Psycholinguistique, Département d’Etudes Cognitives, Ecole Normale Supérieure, PSL University, EHESS, CNRSAbstract Can non-human animals combine abstract representations much like humans do with language? In particular, can they entertain a compositional representation such as ‘not blue’? Across two experiments, we demonstrate that baboons (Papio papio) show a capacity for compositionality. Experiment 1 showed that baboons can entertain negative, compositional, representations: they can learn to associate a cue with iconically related referents (e.g., a blue patch referring to all blue objects), but also to the complement set associated with it (e.g., a blue patch referring to all non-blue objects). Strikingly, Experiment 2 showed that baboons not only learn to associate a cue with iconically related referents, but can learn to associate complex cues (composed of the same cue and an additional visual element) with the complement object set. Thus, they can learn an operation, instantiated by this additional visual element, that can be compositionally combined with previously learned cues. These results significantly reduce any claim that would make the manipulation and combination of abstract representations a solely human privilege.https://doi.org/10.1038/s41598-022-21143-1
spellingShingle Isabelle Dautriche
Brian Buccola
Melissa Berthet
Joel Fagot
Emmanuel Chemla
Evidence for compositionality in baboons (Papio papio) through the test case of negation
Scientific Reports
title Evidence for compositionality in baboons (Papio papio) through the test case of negation
title_full Evidence for compositionality in baboons (Papio papio) through the test case of negation
title_fullStr Evidence for compositionality in baboons (Papio papio) through the test case of negation
title_full_unstemmed Evidence for compositionality in baboons (Papio papio) through the test case of negation
title_short Evidence for compositionality in baboons (Papio papio) through the test case of negation
title_sort evidence for compositionality in baboons papio papio through the test case of negation
url https://doi.org/10.1038/s41598-022-21143-1
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