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首页> 外文期刊>Cortex: A Journal Devoted to the Study of the Nervous System and Behavior >Counterfactual thinking affects the excitability of the motor cortex
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Counterfactual thinking affects the excitability of the motor cortex

机译：反事实思维影响运动皮层的兴奋性

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摘要

Evidence suggests that monetary reward and affective experiences induce activity in the cortical motor system. Nevertheless, it is unclear whether counterfactual thinking related to wrong choices that lead to monetary loss and regret affects motor excitability. Using transcranial magnetic stimulation (TMS) of the motor cortex, we measured corticospinal excitability of 2 groups of healthy humans asked to actively guess the winning key among two possible alternatives (choice group); or passively assist to monetary outcomes randomly selected by the computer program (follow group). Results document a selective increment of the corticospinal excitability when a monetary loss outcome followed the key selection (i.e., in the choice group). On the other hand, no change in corticospinal excitability was found when participants passively assisted to a monetary loss randomly selected by the computer program (i.e., follow group). These findings suggest that counterfactual thinking and the negative emotional experiences arising from choices causing monetary loss i.e., "I would have won instead of lost money if I'd made a different choice" are mapped in the motor system. (C) 2015 Elsevier Ltd. All rights reserved.
机译：有证据表明，金钱奖励和情感体验会诱发皮质运动系统的活动。然而，目前尚不清楚与错误选择相关的反事实思维是否会导致金钱损失和后悔，从而影响运动性兴奋性。使用运动皮层的经颅磁刺激（TMS），我们测量了两组健康人的皮质脊髓兴奋性，这些健康人被要求积极猜测两个可能选择方案（选择组）中的获胜秘诀。或被动地协助计算机程序随机选择的货币结果（后续小组）。结果表明，在关键选择之后（即在选择组中）出现金钱损失结果时，皮质脊髓兴奋性选择性升高。另一方面，当参与者被动地协助由计算机程序随机选择的金钱损失时（即跟随小组），并未发现皮质脊髓兴奋性的变化。这些发现表明，反事实思维和因选择导致金钱损失的负面情绪体验，即“如果我做出不同的选择，我将赢得而不是损失金钱”被映射到了运动系统中。 （C）2015 Elsevier Ltd.保留所有权利。

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