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The neural basis of shared preference learning

The neural basis of shared preference learning

Farmer, Harry ORCID: 0000-0002-3684-0605, Hertz, Uri and Hamilton, Antonia F de C (2019) The neural basis of shared preference learning. Social Cognitive and Affective Neuroscience, 14 (10). pp. 1061-1072. ISSN 1749-5016 (Print), 1749-5024 (Online) (doi:https://doi.org/10.1093/scan/nsz076)

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Abstract

During our daily lives, we often learn about the similarity of the traits and preferences of others to our own and use that information during our social interactions. However, it is unclear how the brain represents similarity between the self and others. One possible mechanism is to track similarity to oneself regardless of the identity of the other (Similarity account); an alternative is to track each other person in terms of consistency of their choice similarity with respect to the choices they have made before (consistency account). Our study combined functional Magnetic Resonance Imaging (fMRI) and computational modelling of reinforcement learning (RL) to investigate the neural processes that underlie learning about preference similarity. Participants chose which of two pieces of artwork they preferred and saw the choices of one agent who usually shared their preference and another agent who usually did not. We modelled neural activation with RL models based on the similarity and consistency accounts. Our results showed that activity in brain areas linked to reward and social cognition followed the consistency account. Our findings suggest that impressions of other people can be calculated in a person-specific manner, which assumes that each individual behaves consistently with their past choices.

Item Type: Article
Uncontrolled Keywords: fMRI, reinforcement learning, prediction error, self, social cognition
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Faculty / Department / Research Group: Faculty of Education, Health & Human Sciences
Faculty of Education, Health & Human Sciences > Department of Psychology, Social Work & Counselling
Last Modified: 30 Apr 2020 18:12
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
Selected for REF2021: REF 4
URI: http://gala.gre.ac.uk/id/eprint/26823

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