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The Brain's Temporal Dynamics from a Collective Decision to Individual Action.

Charpentier, CJ; Moutsiana, C; Garrett, N; Sharot, T; (2014) The Brain's Temporal Dynamics from a Collective Decision to Individual Action. J Neurosci , 34 (17) 5816 - 5823. 10.1523/JNEUROSCI.4107-13.2014. Green open access

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Abstract

Social animals constantly make decisions together. What determines if individuals will subsequently adjust their behavior to align with collective choices? Here, using functional magnetic resonance imaging in humans, we characterize a novel temporal model of brain response from the time a collective decision is made to the time an individual action is required. We reveal that whether a behavioral modification will occur is determined not necessarily by the brain's response to the initial social influence, but by how that response (specifically in the orbitofrontal cortex; OFC) is mirrored at a later time when the individual selects their own action. This result suggests that the OFC may reconstitute an initial state of collective influence when individual action is subsequently needed. Importantly, these dynamics vary across individuals as a function of trait conformity and mediate the relationship between this personality characteristic and behavioral adjustment toward the group.

Type: Article
Title: The Brain's Temporal Dynamics from a Collective Decision to Individual Action.
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1523/JNEUROSCI.4107-13.2014
Publisher version: http://dx.doi.org/10.1523/JNEUROSCI.4107-13.2014
Language: English
Additional information: © 2014 Charpentier et al. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.
Keywords: OFC, collective behavior, decision-making, fMRI, orbitofrontal cortex, social influence
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Experimental Psychology
URI: https://discovery.ucl.ac.uk/id/eprint/1433294
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