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The neural coorelates of risk propensity in males and females using resting-state fMRI
作者: Yuan Zhou(周媛)1; Li, Shu(李纾)1; Dunn, John2; Li, Huandong3,4; Qin, Wen5; Zhu, Maohu3,4; Rao, LiLin(饶俪琳)1; Song, Ming3,4; Yu, Chunshui5; Jiang, Tianzi3,4,6,7
文章类型: Article
关键词: functional connectivity ; functional magnetic resonance imaging ; resting state ; risk propensity ; sex difference
刊名: FRONTIERS IN BEHAVIORAL NEUROSCIENCE
ISSN号: 1662-5153
出版日期: 2014-01-28
卷号: 8, 期号:0, 页码:1-13
收录类别: SCI
英文摘要: Men are more risk prone than women, but the underlying basis remains unclear. To investigate this question, we developed a trait-like measure of risk propensity which we correlated with resting-state functional connectivity to identify sex differences. Specifically, we used short- and long-range functional connectivity densities to identify associated brain regions and examined their functional connectivities in resting-state functional magnetic resonance imaging (fMRI) data collected from a large sample of healthy young volunteers. We found that men had a higher level of general risk propensity (GRP) than women. At the neural level, although they shared a common neural correlate of GRP in a network centered at the right inferior frontal gyrus, men and women differed in a network centered at the right secondary somatosensory cortex, which included the bilateral dorsal anterior/middle insular cortices and the dorsal anterior cingulate cortex. In addition, men and women differed in a local network centered at the left inferior orbitofrontal cortex. Most of the regions identified by this resting-state fMRI study have been previously implicated in risk processing when people make risky decisions. This study provides a new perspective on the brain-behavioral relationships in risky decision making and contributes to our understanding of sex differences in risk propensity.
语种: 英语
WOS记录号: WOS:000330542000001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.psych.ac.cn/handle/311026/14245
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 100190, Peoples R China
2.Univ Adelaide, Sch Psychol, Adelaide, SA, Australia
3.Chinese Acad Sci, Brainnetome Ctr, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China
5.Tianjin Med Univ, Gen Hosp, Dept Radiol, Tianjin 300052, Peoples R China
6.Univ Elect Sci & Technol China, Sch Life Sci & Technol, Minist Educ, Key Lab NeuroInformat, Chengdu 610054, Peoples R China
7.Univ Queensland, Queensland Brain Inst, Brisbane, Qld, Australia

Recommended Citation:
Zhou, Yuan,Li, Shu,Dunn, John,et al. The neural coorelates of risk propensity in males and females using resting-state fMRI[J]. FRONTIERS IN BEHAVIORAL NEUROSCIENCE,2014,8(0):1-13.
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