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首页> 外文期刊>The European Journal of Neuroscience >Lateral prefrontal/orbitofrontal cortex has different roles in norm compliance in gain and loss domains: a transcranial direct current stimulation study
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Lateral prefrontal/orbitofrontal cortex has different roles in norm compliance in gain and loss domains: a transcranial direct current stimulation study

机译：横向前额定/胰酸滴体皮层在增益和损耗域中的规范顺应性中具有不同的作用：经颅直流刺激研究

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摘要

Sanction is used by almost all known human societies to enforce fairness norm in resource distribution. Previous studies have consistently shown that the lateral prefrontal cortex (lPFC) and the adjacent orbitofrontal cortex (lOFC) play a causal role in mediating the effect of sanction threat on norm compliance. However, most of these studies were conducted in gain domain in which resources are distributed. Little is known about the mechanisms underlying norm compliance in loss domain in which individual sacrifices are needed. Here we employed a modified version of dictator game (DG) and high-definition transcranial direct current stimulation (HD-tDCS) to investigate to what extent lPFC/lOFC is involved in norm compliance (with and without sanction threat) in both gain- and loss-sharing contexts. Participants allocated a fixed total amount of monetary gain or loss between themselves and an anonymous partner in multiple rounds of the game. A computer program randomly decided whether a given round involved sanction threat for the participants. Results showed that disruption of the right lPFC/lOFC by tDCS increased the voluntary norm compliance in the gain domain, but not in the loss domain; tDCS on lPFC/lOFC had no effect on compliance under sanction threat in either the gain or loss domain. Our findings reveal a context-dependent nature of norm compliance and differential roles of lPFC/lOFC in norm compliance in gain and loss domains.
机译：几乎所有已知的人类社会都使用制裁，以强制资源分配的公平规范。以前的研究一致地表明，横向前额定皮层（LPFC）和相邻的眶级皮质（LOFC）在调解规范符合性的效果方面发挥了因果作用。然而，大多数这些研究是在增益领域进行的，其中资源分配。关于损失域中常规符合规范符合性的机制的知名，其中需要丢失域的机制。在这里，我们采用了一个修改版的独裁游戏（DG）和高清经颅直流刺激（HD-TDC）来调查LPFC / Lofc在多大程度上参与常规合规（有和没有制裁威胁）的增益和损失共享背景。与会者在多轮比赛中分配了固定的货币增益或丢失损失。计算机程序随机决定是否涉及参与者的涉及给予的制裁威胁。结果表明，通过TDC的右LPFC / LOFC的破坏增加了增益领域的自愿范围，但不在损失领域; LPFC / LOFC上的TDC对增益或损失领域的制裁威胁没有遵守效果。我们的调查结果揭示了LPFC / LOFC在增益和损失域中规范符合规范的规范依从性和差异作用的上下文相关性。

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