Damage to the insula is associated with abnormal interpersonal trust

被引:22
作者
Belfi, Amy M. [1 ,2 ]
Koscik, Timothy R. [3 ]
Tranel, Daniel [1 ,2 ,4 ]
机构
[1] Univ Iowa, Interdisciplinary Grad Program Neurosci, Iowa City, IA USA
[2] Univ Iowa, Coll Med, Dept Neurol, Iowa City, IA 52242 USA
[3] Univ Toronto, Dept Psychol, Toronto, ON M5S 1A1, Canada
[4] Univ Iowa, Dept Psychol, Iowa City, IA 52242 USA
关键词
Insula; Brain lesion; Trust; Decision-making; Social cognition; VENTROMEDIAL PREFRONTAL CORTEX; SOMATIC MARKER HYPOTHESIS; ECONOMIC DECISION-MAKING; BRAIN RESPONSES; RISK; TRUSTWORTHINESS; ACTIVATION; SUBSTRATE; SYSTEM; FACES;
D O I
10.1016/j.neuropsychologia.2015.04.003
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
Reciprocal trust is a crucial component of cooperative, mutually beneficial social relationships. Previous research using tasks that require judging and developing interpersonal trust has suggested that the insula may be an important brain region underlying these processes (King-Casas et al., 2008). Here, using a neuropsychological approach, we investigated the role of the insula in reciprocal trust during the Trust Game (TG), an interpersonal economic exchange. Consistent with previous research, we found that neurologically normal adults reciprocate trust in kind, i.e., they increase trust in response to increases from their partners, and decrease trust in response to decreases. In contrast, individuals with damage to the insula displayed abnormal expressions of trust. Specifically, these individuals behaved benevolently (expressing misplaced trust) when playing the role of investor, and malevolently (violating their partner's trust) when playing the role of the trustee. Our findings lend further support to the idea that the insula is important for expressing normal interpersonal trust, perhaps because the insula helps to recognize risk during decision-making and to identify social norm violations. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:165 / 172
页数:8
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