Journal
JOURNAL OF NEUROSCIENCE
Volume 37, Issue 25, Pages 6066-6074Publisher
SOC NEUROSCIENCE
DOI: 10.1523/JNEUROSCI.3880-16.2017
Keywords
Bayesian; confidence; integration; social; value; vmPFC
Categories
Funding
- Henry Dale Fellowship Wellcome Trust
- Royal Society [102612/A/13/Z]
- National Institutes of Health [1P01HD080679]
- Leverhulme Trust [RPG2014-075]
- Wellcome Trust Senior Investigator Award
- Wellcome Trust [106931/Z/15/Z] Funding Source: Wellcome Trust
- Alan Turing Institute [TU/B/000086] Funding Source: researchfish
- Wellcome Trust [106931/Z/15/Z] Funding Source: researchfish
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How much we like something, whether it be a bottle of wine or a new film, is affected by the opinions of others. However, the social information that we receive can be contradictory and vary in its reliability. Here, we tested whether the brain incorporates these statistics when judging value and confidence. Participants provided value judgments about consumer goods in the presence of online reviews. We found that participants updated their initial value and confidence judgments in a Bayesian fashion, taking into account both the uncertainty of their initial beliefs and the reliability of the social information. Activity in dorsomedial prefrontal cortex tracked the degree of belief update. Analogous to how lower-level perceptual information is integrated, we found that the human brain integrates social information according to its reliability when judging value and confidence.
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