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Blunted neural responses to monetary risk in high sensation seekers
Zheng, Ya1,2,3; Liu, Xun1
AbstractThe 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.
KeywordSensation seeking Risk processing Stimulus-preceding negativity Feedback-related negativity P300
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Document Type期刊论文
Affiliation1.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
GB/T 7714
Zheng, Ya,Liu, Xun. Blunted neural responses to monetary risk in high sensation seekers[J]. NEUROPSYCHOLOGIA,2015,71(0):173-180.
APA Zheng, Ya,&Liu, Xun.(2015).Blunted neural responses to monetary risk in high sensation seekers.NEUROPSYCHOLOGIA,71(0),173-180.
MLA Zheng, Ya,et al."Blunted neural responses to monetary risk in high sensation seekers".NEUROPSYCHOLOGIA 71.0(2015):173-180.
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