期刊论文详细信息
eLife
Robust and distributed neural representation of action values
Yunsil Jang1  Hoseok Kim1  Xinying Cai2  Yeonseung Chung3  Soyoun Kim3  Eun Ju Shin3  Sung-Hyun Lee4  Min Whan Jung5  Hyunjung Lee6  Daeyeol Lee7  Jung Hoon Sul8 
[1] Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea;Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon, Republic of Korea;Center for Synaptic Brain Dysfunctions, Institute for Basic Science, Daejeon, Republic of Korea;Department of Anatomy, Kyungpook National University School of Medicine, Daegu, Republic of Korea;Department of Mathematical Sciences, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea;Department of Neuroscience, Biomedicum, Karolinska Institutet, Stockholm, Sweden;Neuroscience Graduate Program, Ajou University School of Medicine, Suwon, Republic of Korea;New York University Shanghai, NYU-ECNU Institute of Brain and Cognitive Science at NYU Shanghai, and Shanghai Key Laboratory of Brain Functional Genomics (Ministry of Education), School of Psychology and Cognitive Science, East China Normal University, Shanghai, China;
关键词: action value;    chosen value;    reinforcement learning;    striatum;    rat;    monkey;   
DOI  :  10.7554/eLife.53045
来源: DOAJ
【 摘 要 】

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.

【 授权许可】

Unknown   

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