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  Differences in the nonverbal requests of great apes and human infants

Van der Goot, M. H., Tomasello, M., & Liszkowski, U. (2014). Differences in the nonverbal requests of great apes and human infants. Child Development, 85(2), 444-455. doi:10.1111/cdev.12141.

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 Creators:
Van der Goot, Marloes H.1, Author           
Tomasello, Michael2, Author           
Liszkowski, Ulf1, 3, Author           
Affiliations:
1Communication Before Language, MPI for Psycholinguistics, Max Planck Society, ou_55208              
2Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society, ou_1497671              
3University of Hamburg, ou_persistent22              

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 Abstract: This study investigated how great apes and human infants use imperative pointing to request objects. In a series of three experiments (infants, N = 44; apes, N = 12), subjects were given the opportunity to either point to a desired object from a distance or else to approach closer and request it proximally. The apes always approached close to the object, signaling their request through instrumental actions. In contrast, the infants quite often stayed at a distance, directing the experimenters' attention to the desired object through index-finger pointing, even when the object was in the open and they could obtain it by themselves. Findings distinguish 12-month-olds' imperative pointing from ontogenetic and phylogenetic earlier forms of ritualized reaching.

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Language(s): eng - English
 Dates: 20132013-07-312014
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1111/cdev.12141
 Degree: -

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Title: Child Development
Source Genre: Journal
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Publ. Info: Blackwell Publishing Limited
Pages: - Volume / Issue: 85 (2) Sequence Number: - Start / End Page: 444 - 455 Identifier: ISSN: 0009-3920
CoNE: https://pure.mpg.de/cone/journals/resource/954925390257