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Dynamic Representation of the Subjective Value of Information

View ORCID ProfileKenji Kobayashi, Sangil Lee, Alexandre L. S. Filipowicz, Kara D. McGaughey, Joseph W. Kable, Matthew R. Nassar
doi: https://doi.org/10.1101/2021.02.12.431038
Kenji Kobayashi
1University of Pennsylvania, Philadelphia, Pennsylvania, USA
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  • For correspondence: kenjik@sas.upenn.edu
Sangil Lee
1University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Alexandre L. S. Filipowicz
1University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Kara D. McGaughey
1University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Joseph W. Kable
1University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Matthew R. Nassar
2Brown University, Providence, Rhode Island, USA
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Abstract

To improve future decisions, people should seek information based on the value of information (VOI), which depends on the current evidence and the reward structure of the upcoming decision. When additional evidence is supplied, people should update VOI to adjust subsequent information seeking, but the neurocognitive mechanisms of this updating process remain unknown. We used a modified beads task to examine how the VOI is represented and updated in the human brain. We theoretically derived, and empirically verified, a normative prediction that the VOI depends on decision evidence and is biased by reward asymmetry. Using fMRI, we found that the subjective VOI is represented in right dorsolateral prefrontal cortex (DLPFC). Critically, this VOI representation was updated when additional evidence was supplied, showing that DLPFC dynamically tracks the up-to-date VOI over time. These results provide new insights into how humans adaptively seek information in the service of decision making.

Competing Interest Statement

The authors have declared no competing interest.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted February 14, 2021.
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Dynamic Representation of the Subjective Value of Information
Kenji Kobayashi, Sangil Lee, Alexandre L. S. Filipowicz, Kara D. McGaughey, Joseph W. Kable, Matthew R. Nassar
bioRxiv 2021.02.12.431038; doi: https://doi.org/10.1101/2021.02.12.431038
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Dynamic Representation of the Subjective Value of Information
Kenji Kobayashi, Sangil Lee, Alexandre L. S. Filipowicz, Kara D. McGaughey, Joseph W. Kable, Matthew R. Nassar
bioRxiv 2021.02.12.431038; doi: https://doi.org/10.1101/2021.02.12.431038

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