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dc.contributor.authorRodrigues, Evelina D.
dc.contributor.authorSantos, António J.
dc.contributor.authorVeppo, Flávia
dc.contributor.authorPereira, Joana
dc.contributor.authorHobaiter, Catherine
dc.identifier.citationRodrigues , E D , Santos , A J , Veppo , F , Pereira , J & Hobaiter , C 2021 , ' Connecting primate gesture to the evolutionary roots of language : a systematic review ' , American Journal of Primatology , vol. 83 , no. 9 , e23313 .
dc.identifier.otherRIS: urn:3774F268DEFB890FD09217D2F3CF824B
dc.identifier.otherORCID: /0000-0002-3893-0524/work/98487781
dc.descriptionThe authors gratefully acknowledge the financial support provided by the Portuguese Foundation for Science and Technology to the first author (SFRH/BD/138406/2018).en
dc.description.abstractComparative psychology provides important contributions to our understanding of the origins of human language. The presence of common features in human and nonhuman primate communication can be used to suggest the evolutionary trajectories of potential precursors to language. However, to do so effectively, our findings must be comparable across diverse species. This systematic review describes the current landscape of data available from studies of gestural communication in human and nonhuman primates that make an explicit connection to language evolution. We found a similar number of studies on human and nonhuman primates, but that very few studies included data from more than one species. As a result, evolutionary inferences remain restricted to comparison across studies. We identify areas of focus, bias, and apparent gaps within the field. Different domains have been studied in human and nonhuman primates, with relatively few nonhuman primate studies of ontogeny and relatively few human studies of gesture form. Diversity in focus, methods, and socio-ecological context fill important gaps and provide nuanced understanding, but only where the source of any difference between studies is transparent. Many studies provide some definition for their use of gesture; but definitions of gesture, and in particular, criteria for intentional use, are absent in the majority of human studies. We find systematic differences between human and nonhuman primate studies in the research scope, incorporation of other modalities, research setting, and study design. We highlight eight particular areas in a call to action through which we can strengthen our ability to investigate gestural communication's contribution within the evolutionary roots of human language.
dc.relation.ispartofAmerican Journal of Primatologyen
dc.subjectLanguage evolutionen
dc.subjectNonhuman primatesen
dc.subjectQL Zoologyen
dc.titleConnecting primate gesture to the evolutionary roots of language : a systematic reviewen
dc.typeJournal itemen
dc.contributor.institutionUniversity of St Andrews. School of Psychology and Neuroscienceen
dc.contributor.institutionUniversity of St Andrews. Centre for Social Learning & Cognitive Evolutionen
dc.description.statusPeer revieweden

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