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© Christelle Durand
Microscopie d'un neurone. Le marquage jaune montre les synapses.
Publication : IRBM

From social behaviour to brain synchronization: review and perspectives in Hyperscanning.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in IRBM - 01 Feb 2011

Dumas G, Lachat F, Martinerie J, Nadel J, George N

IRBM. 2011 Feb; 32(1):48-53

Abstract
Recently, the neuroscience field took a particular interest in the use of a neuroimaging technique called ‘hyperscanning’. This new technique consists in the simultaneous recording of the hemodynamic or neuroelectric activities of multiple subjects. Behind this small technical step lays a giant methodological leap. Groundbreaking insight in the understanding of social cognition shall be achieved if the right paradigms are implemented. A growing number of studies demonstrate the potential of this recent technique. In this paper, we will focus on current issues and future perspectives of brain studies using hyperscanning. We will also add to this review two studies initiated by Line Garnero. These studies will illustrate the promising possibilities offered by hyperscanning through two different key phenomena pertaining to social interaction: gesture imitation and joint attention.

Résumé
Récemment, un intérêt particulier a été porté à l’utilisation d’une technique de neuro-imagerie appelée hyperscanning. Cette nouvelle technique consiste en l’enregistrement simultané de l’activité hémodynamique ou neuroélectrique de plusieurs sujets. Derrière ce petit pas technique se cache un grand pas méthodologique. Il peut nous conduire à une meilleure compréhension de la cognition sociale si toutefois les bons paradigmes expérimentaux sont développés. Le nombre croissant d’études utilisant l’hyperscanning démontre le potentiel de cette technique. Dans cet article, nous traiterons à la fois de son récent historique mais surtout des futurs potentiels qu’elle ouvre. Nous illustrerons cela par deux réalisations en hyperscanning dont Line Garnero a été l’instigatrice. Ces réalisations serviront d’exemple pour montrer les possibilités prometteuses par l’hyperscanning au travers de deux phénomènes clés dans les interactions sociales : l’imitation gestuelle et les comportements de regard en attention conjointe.