Serotonin and social norms: tryptophan depletion impairs social comparison and leads to resource depletion in a multiplayer harvesting game.
Serotonin and social norms: tryptophan depletion impairs social comparison and leads to resource depletion in a multiplayer harvesting game.
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DOI：
10.1177/0956797614527830
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发表时间：
2014-07
影响因子：
8.2
通讯作者：
Rogers RD
中科院分区：
文献类型：
--
作者：
Bilderbeck AC;Brown GD;Read J;Woolrich M;Cowen PJ;Behrens TE;Rogers RD
人们如何维持资源以造福个人和社区，并避免共享资源枯竭的公地悲剧？在本研究中，我们研究了5-羟色胺活性和社会规范在可耗竭资源管理中的作用。健康的成年人和社会伙伴一起完成了一个多人资源困境游戏，在这个游戏中，他们反复从部分可补充的货币资源中收获。饮食中的色氨酸消耗导致5-羟色胺活性降低，与积极的收获策略和扰乱对其他玩家收获的分配所提供的社会规范的使用有关。色氨酸枯竭的参与者比没有色氨酸枯竭的参与者更频繁地完全耗尽资源，并且积累的回报也更少。我们的发现表明，基于等级的社会比较对于管理可耗尽的资源至关重要，而5-羟色胺对社会规范的反应起着中介作用。
How do people sustain resources for the benefit of individuals and communities and avoid the tragedy of the commons, in which shared resources become exhausted? In the present study, we examined the role of serotonin activity and social norms in the management of depletable resources. Healthy adults, alongside social partners, completed a multiplayer resource-dilemma game in which they repeatedly harvested from a partially replenishable monetary resource. Dietary tryptophan depletion, leading to reduced serotonin activity, was associated with aggressive harvesting strategies and disrupted use of the social norms given by distributions of other players’ harvests. Tryptophan-depleted participants more frequently exhausted the resource completely and also accumulated fewer rewards than participants who were not tryptophan depleted. Our findings show that rank-based social comparisons are crucial to the management of depletable resources, and that serotonin mediates responses to social norms.
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