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  Early left-planum temporale asymmetry in newborn monkeys (Papio anubis): A longitudinal structural MRI study at two stages of development

Becker, Y., Sein, J., Velly, L., Giacomino, L., Renaud, L., Lacoste, R., et al. (2021). Early left-planum temporale asymmetry in newborn monkeys (Papio anubis): A longitudinal structural MRI study at two stages of development. NeuroImage, 227: 117575. doi:10.1016/j.neuroimage.2020.117575.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000B-77F9-7 Version Permalink: https://hdl.handle.net/21.11116/0000-000D-310C-F
Genre: Journal Article

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 Creators:
Becker, Yannick1, Author           
Sein, Julien1, Author
Velly, Lionel1, Author
Giacomino, Laura1, Author
Renaud, Luc1, Author
Lacoste, Romain1, Author
Anton, Jean-Luc1, Author
Nazarian, Bruno1, Author
Berne, Cammie1, Author
Meguerditchian, Adrien1, Author
Affiliations:
1External Organizations, ou_persistent22              

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Free keywords: Baboon; Development; Hemispheric specialization; Language evolution; Lateralization; MRI
 Abstract: The “language-ready” brain theory suggests that the infant brain is pre-wired for language acquisition prior to language exposure. As a potential brain marker of such a language readiness, a leftward structural brain asymmetry was found in human infants for the Planum Temporale (PT), which overlaps with Wernicke's area. In the present longitudinal in vivo MRI study conducted in 35 newborn monkeys (Papio anubis), we found a similar leftward PT surface asymmetry. Follow-up rescanning sessions on 29 juvenile baboons at 7-10 months showed that such an asymmetry increases across the two ages classes. These original findings in non-linguistic primate infants strongly question the idea that the early PT asymmetry constitutes a human infant-specific marker for language development. Such a shared early perisylvian organization provides additional support that PT asymmetry might be related to a lateralized system inherited from our last common ancestor with Old-World monkeys at least 25–35 million years ago.

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Language(s): eng - English
 Dates: 2020-10-082020-07-272020-11-162020-12-042021-02-15
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.neuroimage.2020.117575
Other: epub 2020
PMID: 33285330
PMC: PMC7896037
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Project name : -
Grant ID : 716931 - GESTIMAGE - ERC-2016-STG
Funding program : Horizon 2020
Funding organization : European Research Council (ERC)
Project name : -
Grant ID : ANR-16-CONV-0002
Funding program : -
Funding organization : Agence Nationale de le Recherche (ANR)
Project name : -
Grant ID : ANR-11-INBS-0006
Funding program : -
Funding organization : France Life Imaging network

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Title: NeuroImage
Source Genre: Journal
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Publ. Info: Orlando, FL : Academic Press
Pages: - Volume / Issue: 227 Sequence Number: 117575 Start / End Page: - Identifier: ISSN: 1053-8119
CoNE: https://pure.mpg.de/cone/journals/resource/954922650166