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Related Experiment Video

Updated: Jun 26, 2026

Brain Imaging Investigation of the Neural Correlates of Observing Virtual Social Interactions
10:45

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Published on: July 6, 2011

Value-based neural representations predict social decision preferences.

João F Guassi Moreira1, Adriana S Méndez Leal1, Yael H Waizman2

  • 1Department of Psychology, University of California, Los Angeles, CA 90095, USA.

Cerebral Cortex (New York, N.Y. : 1991)
|May 14, 2023
PubMed
Summary
This summary is machine-generated.

Understanding social decisions reveals how we value close relationships. Brain activity shows that prioritizing a parent over a friend in decision-making stems from stronger value-based neural encoding of that parent.

Keywords:
close relationshipsfMRIpattern expressionsocial decision-makingvalue

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Area of Science:

  • Neuroscience
  • Social Psychology
  • Cognitive Science

Background:

  • Social decision-making impacts individuals and their close relations.
  • Value-based heuristics guide choices, but their neural basis in social contexts is unclear.
  • Understanding how representations of others influence social choices is crucial.

Purpose of the Study:

  • To investigate how value-based processes shape neural representations of individuals affected by social decisions.
  • To determine if value-based encoding correlates with social decision preferences.

Main Methods:

  • Multivariate pattern expression analyses were applied to functional magnetic resonance imaging (fMRI) data.
  • Neural representations of close others were analyzed in relation to value-based processing.
  • The association between value-based encoding and social decision-making preferences was examined.

Main Results:

  • Stronger value-based neural encoding for one close other (e.g., parent) compared to another (e.g., friend) was observed.
  • This enhanced value-based encoding predicted a greater tendency to favor the prioritized individual in social decisions.
  • The findings demonstrate a link between neural representations and social choice behavior.

Conclusions:

  • Value-based processes influence social decision-making by shaping neural representations of close others.
  • Neural encoding of value for specific individuals directly impacts social preferences.
  • This study provides novel insights into the neural mechanisms underlying social choices and interpersonal valuation.