Journal
JOURNAL OF NEUROSCIENCE
Volume 27, Issue 18, Pages 4826-4831Publisher
SOC NEUROSCIENCE
DOI: 10.1523/JNEUROSCI.0400-07.2007
Keywords
basal ganglia; classical conditioning; reinforcement learning; neuroeconomics; opponent process; decision making
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Funding
- Wellcome Trust [078865] Funding Source: Medline
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Studies on human monetary prediction and decision making emphasize the role of the striatum in encoding prediction errors for financial reward. However, less is known about how the brain encodes financial loss. Using Pavlovian conditioning of visual cues to outcomes that simultaneously incorporate the chance of financial reward and loss, we show that striatal activation reflects positively signed prediction errors for both. Furthermore, we show functional segregation within the striatum, with more anterior regions showing relative selectivity for rewards and more posterior regions for losses. These findings mirror the anteroposterior valence-specific gradient reported in rodents and endorse the role of the striatum in aversive motivational learning about financial losses, illustrating functional and anatomical consistencies with primary aversive outcomes such as pain.
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