Prefrontal signals precede striatal signals for biased credit assignment in motivational learning biases
© 2024. The Author(s)..
Actions are biased by the outcomes they can produce: Humans are more likely to show action under reward prospect, but hold back under punishment prospect. Such motivational biases derive not only from biased response selection, but also from biased learning: humans tend to attribute rewards to their own actions, but are reluctant to attribute punishments to having held back. The neural origin of these biases is unclear. Specifically, it remains open whether motivational biases arise primarily from the architecture of subcortical regions or also reflect cortical influences, the latter being typically associated with increased behavioral flexibility and control beyond stereotyped behaviors. Simultaneous EEG-fMRI allowed us to track which regions encoded biased prediction errors in which order. Biased prediction errors occurred in cortical regions (dorsal anterior and posterior cingulate cortices) before subcortical regions (striatum). These results highlight that biased learning is not a mere feature of the basal ganglia, but arises through prefrontal cortical contributions, revealing motivational biases to be a potentially flexible, sophisticated mechanism.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Nature communications - 15(2024), 1 vom: 02. Jan., Seite 19 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Algermissen, Johannes [VerfasserIn] |
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| Links: |
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| Themen: |
Journal Article |
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| Anmerkungen: |
Date Completed 05.01.2024 Date Revised 18.04.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1038/s41467-023-44632-x |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM366587161 |
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| 245 | 1 | 0 | |a Prefrontal signals precede striatal signals for biased credit assignment in motivational learning biases |
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a Actions are biased by the outcomes they can produce: Humans are more likely to show action under reward prospect, but hold back under punishment prospect. Such motivational biases derive not only from biased response selection, but also from biased learning: humans tend to attribute rewards to their own actions, but are reluctant to attribute punishments to having held back. The neural origin of these biases is unclear. Specifically, it remains open whether motivational biases arise primarily from the architecture of subcortical regions or also reflect cortical influences, the latter being typically associated with increased behavioral flexibility and control beyond stereotyped behaviors. Simultaneous EEG-fMRI allowed us to track which regions encoded biased prediction errors in which order. Biased prediction errors occurred in cortical regions (dorsal anterior and posterior cingulate cortices) before subcortical regions (striatum). These results highlight that biased learning is not a mere feature of the basal ganglia, but arises through prefrontal cortical contributions, revealing motivational biases to be a potentially flexible, sophisticated mechanism | ||
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| 700 | 1 | |a Scheeringa, René |e verfasserin |4 aut | |
| 700 | 1 | |a Cools, Roshan |e verfasserin |4 aut | |
| 700 | 1 | |a den Ouden, Hanneke E M |e verfasserin |4 aut | |
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