Resting and task-elicited prefrontal EEG alpha asymmetry in depression: support for the capability model.

Resting and task-elicited prefrontal EEG alpha asymmetry in depression: support for the capability model.
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DOI:
10.1111/psyp.12191
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发表时间:
2014-05
期刊:
影响因子:
3.7
通讯作者:
Allen JJ
Allen JJ
中科院分区:
心理学3区
文献类型:
--
作者:
Stewart JL;Coan JA;Towers DN;Allen JJ

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额叶脑电图(EEG)不对称的能力模型表明,在情绪挑战的大脑活动将是一个更强大的指标倾向于精神病理学比在休息时观察到的活动。EEG数据进行了评估,在休息基线和面部情绪任务,其中个人(n = 143)和没有(n = 163)终身重度抑郁症(MDD)的方法(愤怒和快乐)和撤回(害怕和悲伤)的面部表情。情绪挑战期间的EEG不对称是MDD状态的一个更强大的指标,而不是平均,Cz和链接的乳突参考的休息不对称,结果支持的能力模型。然而,电流源密度(CSD)转换的不对称性是指示休息和任务引发的条件下的终身MDD状态。研究结果表明,CSD转换的数据可能是更强大的指标特质额叶脑电不对称。
The capability model of frontal electroencephalographic (EEG) asymmetry suggests that brain activity during emotional challenge will be a more powerful indicator of predispositions toward psychopathology than activity observed at rest. EEG data were assessed during a resting baseline and a facial emotion task, wherein individuals with (n = 143) and without (n = 163) lifetime major depressive disorder (MDD) made approach (angry and happy) and withdrawal (afraid and sad) facial expressions. EEG asymmetry during emotional challenge was a more powerful indicator of MDD status than resting asymmetry for average, Cz, and linked mastoid references, results in support of the capability model. However, current-source-density (CSD) transformed asymmetry was indicative of lifetime MDD status under resting and task-elicited conditions. Findings suggest that CSD-transformed data may be more robust indicators of trait frontal EEG asymmetry.
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