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GESTIMAGE SIGNED

Gestures in nonhuman and human primates, a landmark of language in the brain? Searching for the origins of brain specialization for language

Total Cost €

EC-Contrib. €

Partnership

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GESTIMAGE project word cloud

Explore the words cloud of the GESTIMAGE project. It provides you a very rough idea of what is the project "GESTIMAGE" about.

functional papio maturity images spectroscopy adult birth heritability versus hypothesis evolutionary primates asymmetries suggested species language sexual right handers hemispheres relation gestures 106 functions linguistic handedness gestural left apes origins continuities brain purpose questioned developmental nonhuman monkeys lateralization structural explore infrared most involve considering specialization deaf gesture links last mri human subjects first anubis asymmetry manipulation longitudinal baboons invasive sign humans ultimately correlates manual phylogenetical continuity innovative communicative wireless signers trained proximity interactions french levels native

Project "GESTIMAGE" data sheet

The following table provides information about the project.

Coordinator	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Organization address address: RUE MICHEL ANGE 3 city: PARIS postcode: 75794 website: www.cnrs.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	France [FR]
Total cost	1˙499˙192 €
EC max contribution	1˙499˙192 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2016-STG
Funding Scheme	ERC-STG
Starting year	2017
Duration (year-month-day)	from 2017-09-01 to 2022-08-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Organization address address: RUE MICHEL ANGE 3 city: PARIS postcode: 75794 website: www.cnrs.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (PARIS)	coordinator	1˙499˙192.00

Map

Project objective

Most of language functions are under the left brain control in both left- and right-handers and involve structural asymmetries between the two hemispheres. While this asymmetry was considered as associated with handedness, such a relation has been recently questioned. Considering the strong language/gesture links in humans and the continuities between the gestural system in apes and monkeys and some language properties, we recently suggested the hypothesis of a continuity between language lateralization and asymmetry of communicative gestures in both human and nonhuman primates. Given the phylogenetical proximity between those species, comparative research on brain specialization between a non-linguistic gestural system (i.e., in monkeys) versus a linguistic gestural systems in humans (i.e., sign language in deaf) might help evaluating the gestural continuities with language lateralization in term of manual asymmetries, structural and functional lateralization of the brain. To this purpose, a first objective is to evaluate the continuities of manual and brain asymmetries between (1) a linguistic gestural system in humans using MRI in 100 adult native deaf French signers, and (2) a non-linguistic gestural system of adult baboons Papio anubis using 106 MRI brain images. A second objective is to explore the functional brain lateralization of gestures production in baboons (versus manipulation) using non-invasive wireless Infrared Spectroscopy in 8 trained subjects within interactions with humans. A last innovative objective is to investigate, through the first non-invasive longitudinal MRI study conducted from birth to sexual maturity in primates, the development and heritability of brain structural asymmetries and their correlates with gesture asymmetries in 30 baboons. At both evolutionary and developmental levels, the project will thus ultimately contribute to enhance our understanding on the role of gestures in the origins of brain specialization for language.

Publications

List of publications.
year	authors and title	journal	last update
2019	Konstantina Margiotoudi, Damien Marie, Nicolas ClaidiÃ¨re, Olivier Coulon, Muriel Roth, Bruno Nazarian, Romain Lacoste, William D. Hopkins, Sandra Molesti, Pauline Fresnais, Jean-Luc Anton, Adrien Meguerditchian Handedness in monkeys reflects hemispheric specialization within the central sulcus. An inÂ vivo MRI study in right- and left-handed olive baboons published pages: , ISSN: 0010-9452, DOI: 10.1016/j.cortex.2019.01.001	Cortex	2019-06-06

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