唾液α-淀粉酶水平与最后通牒博弈中对不公平提议的拒绝
Salivary alpha-amylase levels and rejection of unfair offers in the ultimatum game.
作者信息
Takagishi Haruto, Fujii Takayuki, Kameshima Shinya, Koizumi Michiko, Takahashi Taiki
机构信息
Department of Behavioral Sciences, Hokkaido University, Sapporo, 060-0810, Japan.
出版信息
Neuro Endocrinol Lett. 2009;30(5):643-6.
OBJECTIVES
This study aimed to examine the role of emotions in rejection of unfair offers in an ultimatum game, which is of interest in neuroeconomics of fairness.
METHODS
Thirty-seven participants played a one-shot ultimatum game as responders and decided whether to accept or reject the unfair offers by the proposers. Salivary alpha-amylase (sAA) was assessed before and after the ultimatum game.
RESULTS
Forty-four percent of the participants rejected the unfair offers. While sAA levels of the participants who rejected the unfair offers increased between pre- and post-experiment, sAA levels of the participants who accepted the unfair offers remain unchanged.
CONCLUSIONS
Emotional stress response was observed when participants rejected the unfair offers. Our results indicated that rejection of the unfair offers is a reflection of emotional arousal associated with adrenergic activations.
目的
本研究旨在探讨情绪在最后通牒博弈中对不公平提议拒绝行为的作用，这在公平性神经经济学中具有重要意义。
方法
37名参与者作为回应者进行一次性最后通牒博弈，决定是否接受提议者的不公平提议。在最后通牒博弈前后评估唾液α-淀粉酶（sAA）水平。
结果
44%的参与者拒绝了不公平提议。拒绝不公平提议的参与者的sAA水平在实验前后有所升高，而接受不公平提议的参与者的sAA水平保持不变。
结论
当参与者拒绝不公平提议时，观察到情绪应激反应。我们的结果表明，拒绝不公平提议反映了与肾上腺素能激活相关的情绪唤醒。
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