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首页> 外文期刊>Social cognitive and affective neuroscience >Low delta and high alpha power are associated with better conflict control and working memory in high mindfulness, low anxiety individuals
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Low delta and high alpha power are associated with better conflict control and working memory in high mindfulness, low anxiety individuals

机译：低三角洲和高alpha权力与高态度，低焦虑的人中更好的冲突控制和工作记忆相关联

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Working memory capacity (WMC) can predict conflict control ability. Measures of both abilities are impaired by anxiety, which is often inversely linked with mindfulness. It has been shown that a combination of high mindfulness and low anxiety is associated with better conflict control and WMC. The current study explored the electrophysiology related to such behavioral differences. Two experimental groups, one with high mindfulness and low anxiety (HMLA) and one with low mindfulness and high anxiety (LMHA), performed a color Stroop task and a change detection task, both with simultaneous electroencephalogram (EEG) recording. An advanced EEG analytical approach, Hilbert-Huang transform (HHT) analysis, was employed. This is regarded as a robust method to analyze non-linear and non-stationary signals. Lower delta activity at posterior temporal and occipital regions was seen in the HMLA group for the Stroop conflict conditions and might be generally associated with higher accuracy in this group and indicative of higher attentiveness. Higher accuracy rates and WMC were seen in the HMLA group and might be specifically associated with the higher alpha activity observed in prefrontal cortex, fronto-central and centro-parietal regions in this group. Future studies should explore how mindfulness and anxiety can independently affect these cognitive functions and their associated neurophysiology.
机译：工作存储器容量（WMC）可以预测冲突控制能力。两种能力的措施因焦虑而受到损害，这往往与正念相反。已经表明，高态度和低焦虑的组合与更好的冲突控制和WMC相关。目前的研究探索了与这种行为差异有关的电生理学。两个实验组，一个具有高态度和低焦虑（HMLA）和具有低焦虑和高焦虑（LMHA）的实验组，进行了一种彩色速率任务和变更检测任务，同时脑电图（EEG）记录。采用先进的EEG分析方法，Hilbert-Huang变换（HHT）分析。这被认为是分析非线性和非静止信号的鲁棒方法。在HMLA组中看到后颞和枕部区域的较低的δ活性用于争吵冲突条件，并且通常与该组的更高的准确性相关，并指示更高的注意力。在HMLA组中可以看到更高的精度率和WMC，并且可能与本组前额外皮层，前中心和中心地区观察到的更高的α活性有关。未来的研究应该探讨一种心态和焦虑可以独立影响这些认知功能及其相关的神经生理学。

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