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Human substantia nigra and ventral tegmental area involvement in computing social error signals during the ultimatum game

Hétu, S; Luo, Y; D'Ardenne, K; Lohrenz, T; Montague, PR; (2017) Human substantia nigra and ventral tegmental area involvement in computing social error signals during the ultimatum game. Social Cognitive and Affective Neuroscience 10.1093/scan/nsx097. (In press). Green open access

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Abstract

Social norms play an essential role in our societies, and since the social environment is changing constantly, our internal models of it also need to change. In humans, there is mounting evidence that neural structures such as the insula and the ventral striatum are involved in detecting norm violation and updating internal models. However, because of methodological challenges, little is known about the possible involvement of midbrain structures in detecting norm violation and updating internal models of our norms. Here we used high-resolution cardiac-gated functional magnetic resonance imaging and a norm adaptation paradigm in healthy adults to investigate the role of the substantia nigra/ventral tegmental area (SN/VTA) complex in tracking signals related to norm violation that can be used to update internal norms. We show that the SN/VTA codes for the norm's variance prediction error (PE) and norm PE with spatially distinct regions coding for negative and positive norm PE. These results point to a common role played by the SN/VTA complex in supporting both simple reward-based and social decision making.

Type: Article
Title: Human substantia nigra and ventral tegmental area involvement in computing social error signals during the ultimatum game
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1093/scan/nsx097
Publisher version: http://doi.org/10.1093/scan/nsx097
Language: English
Additional information: © The Author (2017). Published by Oxford University Press. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: Decision making, fMRI, prediction error, social neuroscience, ultimatum game
UCL classification: UCL
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 > UCL Queen Square Institute of Neurology
URI: https://discovery-pp.ucl.ac.uk/id/eprint/10025209
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