Li Xi, Xiong Guanxing, Dong Zhiqiang, Cai Shenggang, Zhao Jun, She Zhe, Guo Yuchen
Key Lab for Behavioral Economic Science and Technology, South China Normal University, Guangzhou, China.
School of Economics and Management, South China Normal University, Guangzhou, China.
Front Behav Neurosci. 2020 Aug 28;14:134. doi: 10.3389/fnbeh.2020.00134. eCollection 2020.
The right dorsolateral prefrontal cortex (rDLPFC) plays an essential role in social decision-making. Although several neural imaging studies have provided evidence that the rDLPFC is correlated with fairness perception, little research has investigated the causal effect of this encephalic region on individuals' consciousness, particularly perceptions of organizational fairness. The present study explores the causal relationship between the rDLPFC and organizational fairness perception by using brain modulation techniques. Healthy participants received transcranial direct current stimulation (tDCS) and fulfilled the modified ultimatum game (UG) in the sham-controlled experiment. Our results showed that only cathodal stimulation of the rDLPFC resulted in increasing rejection offers compared with the sham stimulation in conditions of disadvantageous inequity. No differences were found between the anodal and sham stimulation in any inequity condition. This study strengthens the main functional effects of the rDLPFC in negative emotional control in relation to organizational fairness perceptions.
右侧背外侧前额叶皮层（rDLPFC）在社会决策中起着至关重要的作用。尽管多项神经影像学研究已提供证据表明rDLPFC与公平感相关，但很少有研究调查该脑区对个体意识的因果效应，尤其是对组织公平性的感知。本研究通过使用脑调制技术探索rDLPFC与组织公平感之间的因果关系。健康参与者在假对照实验中接受经颅直流电刺激（tDCS）并完成改良的最后通牒博弈（UG）。我们的结果表明，在不利不公平条件下，与假刺激相比，只有rDLPFC的阴极刺激导致拒绝提议增加。在任何不公平条件下，阳极刺激与假刺激之间均未发现差异。本研究强化了rDLPFC在与组织公平感相关的负面情绪控制中的主要功能作用。
