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题名:
Blunted neural responses to monetary risk in high sensation seekers
作者: Zheng, Ya1,2,3; Liu, Xun(刘勋)1
文章类型: Article
关键词: Sensation seeking ; Risk processing ; Stimulus-preceding negativity ; Feedback-related negativity ; P300
刊名: NEUROPSYCHOLOGIA
ISSN号: 0028-3932
出版日期: 2015-05-01
卷号: 71, 期号:0, 页码:173-180
收录类别: SSCI
英文摘要: The sensation-seeking trait is a valid predictor of various risk-taking behaviors. However, the neural underpinnings of risk processing in sensation seeking are yet unclear. The present event-related potential (ERP) study examined electrophysiological correlates associated with different stages of risky reward processing in sensation seeking. Twenty-one high sensation seekers (HSS) and 22 low sensation seekers (LSS) performed a simple two-choice gambling task. Behaviorally, whereas LSS exhibited a risk-averse pattern, HSS showed a risk-neutral pattern. During the anticipation stage, an increased stimulus-preceding negativity was elicited by high-risk compared to low-risk choices in LSS but not in HSS. During the outcome-appraisal stage, the feedback-related negativity, when calculated as the difference between losses and gains, was enhanced in response to the high-risk versus low-risk outcomes, which appeared for LSS but not for HSS. Further, HSS as compared to LSS exhibited a diminished P300 to both gains and losses. These findings suggest that risk-taking behavior in sensation seeking is expressed as blunted neural responses to risk in the anticipation stage and in the outcome-appraisal stage, which represents a candidate target for drug prevention. (C) 2015 Elsevier Ltd. All rights reserved.
语种: 英语
WOS记录号: WOS:000355034700019
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.psych.ac.cn/handle/311026/13369
Appears in Collections:中国科学院行为科学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Dalian Med Univ, Dept Psychol, Dalian, Peoples R China

Recommended Citation:
Zheng, Ya,Liu, Xun. Blunted neural responses to monetary risk in high sensation seekers[J]. NEUROPSYCHOLOGIA,2015,71(0):173-180.
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