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急性疼痛对风险和跨期选择的影响。

The effect of acute pain on risky and intertemporal choice.

作者信息

Koppel Lina, Andersson David, Morrison India, Posadzy Kinga, Västfjäll Daniel, Tinghög Gustav

机构信息

Center for Social and Affective Neuroscience, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.

JEDI Lab, Division of Economics, Department of Management and Engineering, Linköping University, Linköping, Sweden.

出版信息

Exp Econ. 2017;20(4):878-893. doi: 10.1007/s10683-017-9515-6. Epub 2017 Feb 7.

Abstract

Pain is a highly salient and attention-demanding experience that motivates people to act. We investigated the effect of pain on decision making by delivering acute thermal pain to participants' forearm while they made risky and intertemporal choices involving money. Participants (n = 107) were more risk seeking under pain than in a no-pain control condition when decisions involved gains but not when they involved equivalent losses. Pain also resulted in greater preference for immediate (smaller) over future (larger) monetary rewards. We interpret these results as a motivation to offset the aversive, pain-induced state, where monetary rewards become more appealing under pain than under no pain and when delivered sooner rather than later. Our findings add to the long-standing debate regarding the role of intuition and reflection in decision making.

摘要

疼痛是一种高度显著且需要注意力的体验,它促使人们采取行动。我们通过在参与者进行涉及金钱的风险和跨期选择时,对其前臂施加急性热痛,来研究疼痛对决策的影响。当决策涉及收益时,与无疼痛的对照条件相比,参与者(n = 107)在疼痛状态下更倾向于冒险;但当决策涉及同等损失时则不然。疼痛还导致参与者更倾向于即时(较小)的金钱奖励而非未来(较大)的金钱奖励。我们将这些结果解释为一种抵消厌恶的、由疼痛引起的状态的动机,在这种状态下,金钱奖励在疼痛时比无疼痛时更具吸引力且越早获得越有吸引力。我们的研究结果为关于直觉和反思在决策中作用的长期争论增添了内容。

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