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Are Risky Choices Actually Guided by a Compensatory Process? New Insights from fMRI
Rao, Li-Lin1; Zhou, Yuan1; Xu, Lijuan2,3; Liang, Zhu-Yuan1; Jiang, Tianzi2,3; Li, Shu1; Rao, LL (reprint author), Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China.
2011-03-11
发表期刊PLOS ONE
ISSN1932-6203
文章类型Article
卷号6期号:3
产权排序1
摘要The dominant theories about risky decision-making assume that decision conflicts are solved by a compensatory process involving a trade-off of probability against payoff, but it is unclear whether these theories actually represent the events that occur when people make a risky decision. By contrasting a preferential choice with a judgment-based choice that required a compensatory process, we explored the mechanisms underlying risky decision-making. First, using parametric analyses, we identified the dorsomedial prefrontal cortex (dMPFC) as the specific region in charge of task-related conflict in risky decision-making tasks. We also showed that the dMPFC was activated less when judgment-based choices were being made, implying that the conflict experienced during a judgment-based choice was not as strong as the conflict that was experienced during the preferential choice. Our results provide neural evidence that preferential choice cannot be characterized solely as a compensatory process. Thus, questions were raised about whether existing compensatory theories could adequately describe individual risky decisions.
学科领域Cognitive Neuroscience
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收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China [70871110, 60675033, 30730035] ; National Basic Research Program of China (973 Program) [2011CB711000] ; China Postdoctoral Science Foundation [20070420545] ; CAS
项目简介This work was partially supported by the National Natural Science Foundation of China (No. 70871110; 60675033; 30730035), National Basic Research Program of China (973 Program, No. 2011CB711000), the China Postdoctoral Science Foundation (No. 20070420545), and the "Graduate Science and Social Practice Special Funding In'vative Research Program'' of CAS. The funders had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.
WOS记录号WOS:000288247800002
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/11411
专题中国科学院行为科学重点实验室
通讯作者Rao, LL (reprint author), Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China.
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Automat, Sino French Lab Comp Sci Automat & Appl Math LIAM, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing, Peoples R China
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Rao, Li-Lin,Zhou, Yuan,Xu, Lijuan,et al. Are Risky Choices Actually Guided by a Compensatory Process? New Insights from fMRI[J]. PLOS ONE,2011,6(3).
APA Rao, Li-Lin.,Zhou, Yuan.,Xu, Lijuan.,Liang, Zhu-Yuan.,Jiang, Tianzi.,...&Rao, LL .(2011).Are Risky Choices Actually Guided by a Compensatory Process? New Insights from fMRI.PLOS ONE,6(3).
MLA Rao, Li-Lin,et al."Are Risky Choices Actually Guided by a Compensatory Process? New Insights from fMRI".PLOS ONE 6.3(2011).
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