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神经生理学证据表明,情绪注意力调节取决于目标相关性

Xiaojuan Xue¹, Gilles Pourtois²

¹Cognitive & Affective Psychophysiology Laboratory, Department of Experimental Clinical & Health Psychology, Ghent University, Henri Dunantlaan 2, 9000, Ghent, Belgium. Xiaojuan.Xue@UGent.be.

Scientific reports

|April 8, 2025

概括

目标相关性,而不仅仅是威胁,引导注意力. 当情感面孔与个人目标一致时,它们的吸引力较小,表现出灵活的情感关注. 这项研究使用脑电图 (EEG) 和点探测任务 (DPT).

科学领域:

认知神经科学认知神经科学
视觉注意力研究视觉注意力研究
情绪处理情绪处理

背景情况:

与威胁相关的刺激通常会自动吸引注意力.
最近的研究表明,目标可以取代基于威胁的注意力捕捉.
了解情绪注意力的灵活性至关重要.

研究的目的:

调查目标相关性如何影响情感面孔的注意力捕捉.
探索目标导向的注意力控制的电生理学相关性.
检查引导注意力的刺激值和目标相关性之间的相互作用.

主要方法:

使用了高密度脑电图 (EEG) 和眼睛跟踪.
参与者完成了一个点探测任务 (DPT),用外围的情感面孔 (害怕或快乐).
情感面孔被操纵到目标相关性 (相关或无关).

主要成果:

恐惧增强了N170和Early Posterior Negativity (EPN) 组件,EPN增强取决于目标相关性.
在P1层面,刺激值和目标相关性都影响了空间注意力.
与目标相关的恐惧面孔引起的注意力不如与目标无关的面孔,显示了交互效应.

结论:

情绪注意力是灵活的,并根据刺激的目标相关性进行调节.
电生理学数据揭示了注意力灵活性的机制,涉及视觉皮层中的感觉增益控制.
注意力控制受到刺激值和目标相关性的多重相互作用的影响.

关键词:

自动性自动性是自动性的.在 EPN EPN 中.恐惧恐惧恐惧恐惧目标的相关性目标的相关性 N170 这里是N170 P1pccc 在线观看

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