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Toward a mental arithmetic process in risky choices
Rao, Li-Lin; Liu, Xiao-Nan; Li, Qi; Zhou, Yuan; Liang, Zhu-Yuan; Sun, Hong-Yue; Zhou, Ren-Lai; Li, Shu
第一作者Rao, Li-Lin
心理所单位排序1
摘要

Mainstream theories about decision-making under risk suggest that risky decisions are made by choosing the option that offers the highest mathematical expectation. The present event-related potentials (ERPs) study investigated the neurocognitive mechanisms underlying risky choice by contrasting a preferential choice task with an expected value choice task. The ERP data revealed that (1) the computational difficulty, which would be expected to influence a compensatory process, affected the slow wave only when participants were forced to choose the option with the highest expectation; and that (2) the difference in the minimum outcome dimension between two options, which would be expected to be influential in a heuristic process, affected the P300 and slow wave when participants were asked to choose the preferred option. Our findings provide neural evidence that preferential choice is not based on an expectation computation and thus raised the question of whether expectation theories can provide an adequate description of individual risky decisions. (C) 2013 Elsevier Inc. All rights reserved.

关键词Risky choice Computational difficulty Difference in the minimum outcome dimension Slow wave P300
学科领域Social Psychology
2013
语种英语
发表期刊BRAIN AND COGNITION
ISSN0889-1591
卷号83期号:3页码:307-314
URL查看原文
收录类别SCI ; SSCI
项目简介

This work was partially supported by the National Basic Research Program of China (973 Program, No. 2011CB711000), the Undergraduate Research Funding of Institute of Psychology CAS, the Knowledge Innovation Project of the Chinese Academy of Sciences (No. KSCX2-EW-J-8), the National Natural Science Foundation of China (No. 31170976; 31300843), and the Scientific Foundation of Institute of Psychology, Chinese Academy of Sciences (No. Y2CQ043005). The funders had no role in the study design, data collection and analysis, the decision to publish, or the preparation of the manuscript.

WOS关键词CUMULATIVE PROSPECT-THEORY ; EVENT-RELATED POTENTIALS ; DECISION-MAKING ; FUNCTIONAL CATEGORIZATION ; BRAIN POTENTIALS ; SLOW WAVES ; UTILITY ; MODEL ; REPRESENTATION ; UNCERTAINTY
WOS标题词Science & Technology ; Social Sciences ; Life Sciences & Biomedicine
WOS研究方向Neurosciences & Neurology ; Psychology
WOS类目Neurosciences ; Psychology, Experimental
WOS记录号WOS:000327291500008
WOS分区Q3
资助机构National Basic Research Program of China (973 Program) [2011CB711000] ; Undergraduate Research Funding of Institute of Psychology CAS ; Knowledge Innovation Project of the Chinese Academy of Sciences [KSCX2-EW-J-8] ; National Natural Science Foundation of China [31170976, 31300843] ; Scientific Foundation of Institute of Psychology, Chinese Academy of Sciences [Y2CQ043005]
引用统计
被引频次:8[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/311026/10717
专题中国科学院心理健康重点实验室
通讯作者Zhou, Ren-Lai
作者单位Zhou, RL (reprint author), Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China.
推荐引用方式
GB/T 7714
Rao, Li-Lin,Liu, Xiao-Nan,Li, Qi,et al. Toward a mental arithmetic process in risky choices[J]. BRAIN AND COGNITION,2013,83(3):307-314.
APA Rao, Li-Lin.,Liu, Xiao-Nan.,Li, Qi.,Zhou, Yuan.,Liang, Zhu-Yuan.,...&Li, Shu.(2013).Toward a mental arithmetic process in risky choices.BRAIN AND COGNITION,83(3),307-314.
MLA Rao, Li-Lin,et al."Toward a mental arithmetic process in risky choices".BRAIN AND COGNITION 83.3(2013):307-314.
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