Inducing Proactive Control Shifts in the AX-CPT.

Inducing Proactive Control Shifts in the AX-CPT.
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DOI:
10.3389/fpsyg.2016.01822
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发表时间:
2016
影响因子:
3.8
通讯作者:
Braver TS
Braver TS
中科院分区:
心理学3区
文献类型:
--
作者:
Gonthier C;Macnamara BN;Chow M;Conway AR;Braver TS

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控制的双重机制(DMC)帐户提出了两种不同的认知控制机制,主动和反应。这一说法得到了大量使用AX-CPT范式的研究的支持,这些研究不仅证明了组间差异,而且还证明了两种控制机制使用中的受试者内变异性。然而,很少有调查的任务操纵,可以通过实验调节使用的积极控制在健康的年轻人,这样的操纵可能是有用的,以更好地了解认知控制机制的工作。在目前的研究中,一系列的三个实验表明,个人可以系统地偏向和远离利用积极控制,通过策略培训和不去操纵,分别。这些结果为DMC框架提供了更多的支持,并提供了一个新的基础来研究基于组的差异和两种控制模式的神经机制。
The Dual Mechanisms of Control (DMC) account proposes two distinct mechanisms of cognitive control, proactive and reactive. This account has been supported by a large number of studies using the AX-CPT paradigm that have demonstrated not only between-group differences, but also within-subjects variability in the use of the two control mechanisms. Yet there has been little investigation of task manipulations that can experimentally modulate the use of proactive control in healthy young adults; such manipulations could be useful to better understand the workings of cognitive control mechanisms. In the current study, a series of three experiments demonstrate how individuals can be systematically biased toward and away from the utilization of proactive control, via strategy training and no-go manipulations, respectively. These results provide increased support for the DMC framework, and provide a new basis from which to examine group-based differences and neural mechanisms underlying the two control modes.
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