Robust and distributed neural representation of action values

Eun Ju Shin, Yunsil Jang, Soyoun Kim, Hoseok Kim, Xinying Cai, Hyunjung Lee, Jung Hoon Sul, Sung Hyun Lee, Yeonseung Chung, Daeyeol Lee, Min Whan Jung

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Studies in rats, monkeys, and humans have found action-value signals in multiple regions of the brain. These findings suggest that action-value signals encoded in these brain structures bias choices toward higher expected rewards. However, previous estimates of action-value signals might have been inflated by serial correlations in neural activity and also by activity related to other decision variables. Here, we applied several statistical tests based on permutation and surrogate data to analyze neural activity recorded from the striatum, frontal cortex, and hippocampus. The results show that previously identified action-value signals in these brain areas cannot be entirely accounted for by concurrent serial correlations in neural activity and action value. We also found that neural activity related to action value is intermixed with signals related to other decision variables. Our findings provide strong evidence for broadly distributed neural signals related to action value throughout the brain.

Original languageEnglish (US)
Article numbere53045
JournaleLife
Volume10
DOIs
StatePublished - Apr 2021
Externally publishedYes

ASJC Scopus subject areas

  • Neuroscience(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)

Fingerprint

Dive into the research topics of 'Robust and distributed neural representation of action values'. Together they form a unique fingerprint.

Cite this