Brain activity in fairness consideration during asset distribution: does the initial ownership play a role?
Brain activity in fairness consideration during asset distribution: does the initial ownership play a role?
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资产分配过程中公平考虑的大脑活动：初始所有权起作用吗？
DOI：
10.1371/journal.pone.0039627
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发表时间：
2012
期刊：
影响因子：
3.7
通讯作者：
Zhou X
中科院分区：
文献类型：
--
作者：
Wu Y;Hu J;van Dijk E;Leliveld MC;Zhou X
以往的行为研究表明，初始所有权会影响个体的公平考虑和他人关注行为。然而，最初的所有权是否会影响接受者评估资产分配公平性时的大脑活动，这一点并不完全清楚。在这项研究中，我们随机分配的讨价还价的财产（金钱奖励）的分配者或接收者的最后通牒游戏，让参与者的研究，作为接收者，收到不利的不平等，平等，或有利的不平等的报价从分配者的事件相关电位（ERP）被记录。行为结果表明，参与者更有可能拒绝不利的不平等和平等的报价时，他们最初拥有的财产相比，当他们没有。两种类型的不平等的报价诱发更多的负向ERP（最惠国待遇）比平等的报价在早期的时间窗口和差异没有调制的初始所有权。然而，在一个较晚的时间窗口，P300对分割方案的反应不仅受到不平等报价类型的影响，而且还受到财产最初分配给谁的影响。这些研究结果表明，虽然最惠国待遇可能作为一个一般的机制，评估是否提供是一致的或不一致的公平规则，P300是敏感的自上而下的控制过程，到其中的因素分配的注意力资源，包括最初的所有权和个人利益，来发挥作用。
Previous behavioral studies have shown that initial ownership influences individuals’ fairness consideration and other-regarding behavior. However, it is not entirely clear whether initial ownership influences the brain activity when a recipient evaluates the fairness of asset distribution. In this study, we randomly assigned the bargaining property (monetary reward) to either the allocator or the recipient in the ultimatum game and let participants of the study, acting as recipients, receive either disadvantageous unequal, equal, or advantageous unequal offers from allocators while the event-related potentials (ERPs) were recorded. Behavioral results showed that participants were more likely to reject disadvantageous unequal and equal offers when they initially owned the property as compared to when they did not. The two types of unequal offers evoked more negative going ERPs (the MFN) than the equal offers in an early time window and the differences were not modulated by the initial ownership. In a late time window, however, the P300 responses to division schemes were affected not only by the type of unequal offers but also by whom the property was initially assigned to. These findings suggest that while the MFN may function as a general mechanism that evaluates whether the offer is consistent or inconsistent with the equity rule, the P300 is sensitive to top-down controlled processes, into which factors related to the allocation of attentional resources, including initial ownership and personal interests, come to play.
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