| Presentation | 2007-12-22 Reward-prediction error based on perceptual probability Hiromasa TAKEMURA, Jiro OKUDA, Kazuyuki SAMEJIMA, Masamichi SAKAGAMI, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The cues for reward are not always perceptually clear in the environment. However, the relationship between probability based on perception and reward prediction remains unclear. In the present study, we investigated influence of perceptual probability of reward-predicting cue stimuli on reward-prediction error activity in the brain. After the conditioning of orientation of visual stimulus with reward, subjects were presented with high- and low-contrast stimuli to predict the reward. we found significant correlation of activity in midbrain and putamen with reward-prediction error discounted by perceptual probability. Our results suggest that perceptual probability modulates reward-prediction error in the brain. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Reward / Prediction error / Perceptual probability / Functional brain imaging |
| Paper # | NC2007-83 |
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| Conference Information | |
| Committee | NC |
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| Conference Date | 2007/12/15(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Registration To | Neurocomputing (NC) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Reward-prediction error based on perceptual probability |
| Sub Title (in English) | |
| Keyword(1) | Reward |
| Keyword(2) | Prediction error |
| Keyword(3) | Perceptual probability |
| Keyword(4) | Functional brain imaging |
| 1st Author's Name | Hiromasa TAKEMURA |
| 1st Author's Affiliation | Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo() |
| 2nd Author's Name | Jiro OKUDA |
| 2nd Author's Affiliation | Tamagawa University Brain Science Institute |
| 3rd Author's Name | Kazuyuki SAMEJIMA |
| 3rd Author's Affiliation | Tamagawa University Brain Science Institute |
| 4th Author's Name | Masamichi SAKAGAMI |
| 4th Author's Affiliation | Tamagawa University Brain Science Institute |
| Date | 2007-12-22 |
| Paper # | NC2007-83 |
| Volume (vol) | vol.107 |
| Number (no) | 410 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |