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Structure of orbitofrontal cortex predicts social influence

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posted on 2023-06-08, 14:33 authored by Daniel K Campbell-Meiklejohn, Ryota Kanai, Bahador Bahrami, Dominik R Bach, Raymond J Dolan, Andreas Roepstorff, Chris D Frith
Some people conform more than others. Across different contexts, this tendency is a fairly stable trait [1]. This stability suggests that the tendency to conform might have an anatomical correlate [2]. Values that one associates with available options, from foods to political candidates, help to guide choices and behaviour. These values can often be updated by the expressed preferences of other people as much as by independent experience. In this correspondence, we report a linear relationship between grey matter volume (GM) in a region of lateral orbitofrontal cortex (lOFCGM) and the tendency to shift reported desire for objects toward values expressed by other people. This effect was found in precisely the same region in each brain hemisphere. lOFCGM also predicted the functional hemodynamic response in the middle frontal gyrus to discovering that someone else's values contrast with one's own. These findings indicate that the tendency to conform one's values to those expressed by other people has an anatomical correlate in the human brain.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Current Biology

ISSN

0960-9822

Publisher

Elsevier (Cell Press)

Issue

4

Volume

22

Page range

R123-R124

Department affiliated with

  • Psychology Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2013-03-11

First Open Access (FOA) Date

2015-10-29

First Compliant Deposit (FCD) Date

2015-10-29

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