Cognitive control reflects context monitoring, not motoric stopping, in response inhibition.
Cognitive control reflects context monitoring, not motoric stopping, in response inhibition.
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DOI：
10.1371/journal.pone.0031546
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发表时间：
2012
期刊：
影响因子：
3.7
通讯作者：
Munakata Y
中科院分区：
文献类型：
--
作者：
Chatham CH;Claus ED;Kim A;Curran T;Banich MT;Munakata Y
抑制不想要的行为被认为是一种努力和控制的能力。然而，抑制还需要检测表明旧行为可能不合适的上下文-换句话说，抑制需要在目标服务中监控上下文的能力，我们称之为上下文监控。使用行为，神经成像，电生理和计算的方法，我们测试了运动停止本身是否是认知控制的过程，支持反应抑制，或是否上下文监测可能会填补这个角色。我们的研究结果表明，抑制并不需要控制机制超出那些参与上下文监测，这样的控制机制是相同的，无论停止的要求。这些结果挑战了抑制控制的主导帐户，这意味着运动停止是认知控制的反应抑制的过程，并澄清了新出现的争论的反应抑制的额叶基板取代运动停止与上下文监控的控制机制的中心性。
The inhibition of unwanted behaviors is considered an effortful and controlled ability. However, inhibition also requires the detection of contexts indicating that old behaviors may be inappropriate – in other words, inhibition requires the ability to monitor context in the service of goals, which we refer to as context-monitoring. Using behavioral, neuroimaging, electrophysiological and computational approaches, we tested whether motoric stopping per se is the cognitively-controlled process supporting response inhibition, or whether context-monitoring may fill this role. Our results demonstrate that inhibition does not require control mechanisms beyond those involved in context-monitoring, and that such control mechanisms are the same regardless of stopping demands. These results challenge dominant accounts of inhibitory control, which posit that motoric stopping is the cognitively-controlled process of response inhibition, and clarify emerging debates on the frontal substrates of response inhibition by replacing the centrality of controlled mechanisms for motoric stopping with context-monitoring.
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