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首页> 美国卫生研究院文献>Social Cognitive and Affective Neuroscience >At the heart of morality lies neuro-visceral integration: lower cardiac vagal tone predicts utilitarian moral judgment
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At the heart of morality lies neuro-visceral integration: lower cardiac vagal tone predicts utilitarian moral judgment

机译：道德的核心在于神经与内脏的融合：较低的迷走神经张力预示着功利主义的道德判断

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To not harm others is widely considered the most basic element of human morality. The aversion to harm others can be either rooted in the outcomes of an action (utilitarianism) or reactions to the action itself (deontology). We speculated that the human moral judgments rely on the integration of neural computations of harm and visceral reactions. The present research examined whether utilitarian or deontological aspects of moral judgment are associated with cardiac vagal tone, a physiological proxy for neuro-visceral integration. We investigated the relationship between cardiac vagal tone and moral judgment by using a mix of moral dilemmas, mathematical modeling and psychophysiological measures. An index of bipolar deontology-utilitarianism was correlated with resting heart rate variability (HRV)—an index of cardiac vagal tone—such that more utilitarian judgments were associated with lower HRV. Follow-up analyses using process dissociation, which independently quantifies utilitarian and deontological moral inclinations, provided further evidence that utilitarian (but not deontological) judgments were associated with lower HRV. Our results suggest that the functional integration of neural and visceral systems during moral judgments can restrict outcome-based, utilitarian moral preferences. Implications for theories of moral judgment are discussed.
机译：不伤害他人被广泛认为是人类道德的最基本要素。厌恶他人的行为可以植根于行动的结果（功利主义）或对行动本身的反应（义务论）。我们推测，人类道德判断依赖于对伤害和内脏反应的神经计算的整合。本研究检查了道德判断的功利性或道义性方面是否与心脏迷走神经张力有关，迷走神经张力是神经-内脏整合的生理指标。我们通过使用道德困境，数学建模和心理生理措施的组合，调查了心脏迷走神经张力与道德判断之间的关系。双极性义务功利主义指数与静息心率变异性（HRV）（心脏迷走神经指数）相关，因此功利主义判断与较低的HRV相关。使用过程分解的后续分析可以独立地量化功利主义和道义主义的道德倾向，提供了进一步的证据表明，功利主义（但不是道义主义）的判断与较低的HRV相关。我们的结果表明，在道德判断过程中神经系统和内脏系统的功能整合会限制基于结果的功利主义道德偏好。讨论了道德判断理论的含义。

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