Event Abstract

Motor synchrony and the emergence of trust in social economics games

  • 1 Aix-Marseille University, Cognitive Psychology Laboratory (UMR 6146), Universite de Provence & CNRS, France
  • 2 Universite Paul Cezanne, GREQAM (UMR 6579), France
  • 3 Aix-Marseille University, Human Neurobiology Laboratory (UMR 6149), Universite de Provence, France

To date, experiments in economics are mainly restricted to settings in which individuals are not influenced by the physical presence of other people. Interactions remain at a somewhat abstract level with bodily signals being left out of the picture. However, in real life, how many times have we experienced the feeling that trusting someone will be difficult even before talking to them? Whether it was the way she moved or some other factor, body‐related cues seem to play key role in modulating economic decisions (e.g. mimicry and tipping). This is why we have decided to cross social coordination dynamics (SCD) with behavioral economics. SCD investigates the behavioral and neural mechanisms mediating the formation and dissolution of bonds between individuals. It offers new metrics to quantify human bonding (or lack thereof) at the sensorimotor level, and the self‐organizing processes that underlie its persistence and change over space and time. SCD allows spontaneous motor synchronization while people interact and the degree to which their individual movements remain influenced a posteriori –some kind of motor social memory‐ to be computed in real time. Here, pairs of participants performed multiple rounds of the SCD paradigm and of a trust game in various fashions. Results indicate that the amount of money exchanged during the trust game is correlated to the stability of the sensorimotor patterns of spontaneous synchrony emerging between participants as well as the level of motor social memory. They constitute a first (experimental) step towards embodied economics.


1. Oullier, O., de Guzman, G.C., Jantzen, K.J., Lagarde, J., & Kelso, J.A.S. (2008). Social coordination dynamics: Measuring human bonding. Social Neuroscience, 3(2), 178‐192.

2. Oullier, O., & Basso, F. (2010). Embodied economics: How bodily information shapes the social coordination dynamics of decision making. Philosophical Transcations of the Royal Society: B Biological Sciences, 365, 291‐301

Conference: Computations, Decisions and Movement, Giessen, Germany, 19 May - 22 May, 2010.

Presentation Type: Poster Presentation

Topic: Posters

Citation: Oullier O, Thoron S, Aimonetti J, Guerci E, Huguet P and Kirman A (2010). Motor synchrony and the emergence of trust in social economics games. Front. Comput. Neurosci. Conference Abstract: Computations, Decisions and Movement. doi: 10.3389/conf.fnins.2010.01.00014

Copyright: The abstracts in this collection have not been subject to any Frontiers peer review or checks, and are not endorsed by Frontiers. They are made available through the Frontiers publishing platform as a service to conference organizers and presenters.

The copyright in the individual abstracts is owned by the author of each abstract or his/her employer unless otherwise stated.

Each abstract, as well as the collection of abstracts, are published under a Creative Commons CC-BY 4.0 (attribution) licence (https://creativecommons.org/licenses/by/4.0/) and may thus be reproduced, translated, adapted and be the subject of derivative works provided the authors and Frontiers are attributed.

For Frontiers’ terms and conditions please see https://www.frontiersin.org/legal/terms-and-conditions.

Received: 01 Feb 2010; Published Online: 01 Feb 2010.

* Correspondence: Olivier Oullier, Aix-Marseille University, Cognitive Psychology Laboratory (UMR 6146), Universite de Provence & CNRS, Marseille, France, olivier@oullier.fr