当前位置: X-MOL 学术Psychophysiology › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Reduced early fearful face processing during perceptual distraction in high trait anxious participants
Psychophysiology ( IF 3.7 ) Pub Date : 2021-03-23 , DOI: 10.1111/psyp.13819
Anna-Lena Steinweg 1 , Sebastian Schindler 1, 2 , Maximilian Bruchmann 1, 2 , Robert Moeck 1 , Thomas Straube 1, 2
Affiliation  

Fearful facial expressions are prioritized across different stages of information processing as reflected by early, mid-latency, and late components of event-related brain potentials (ERP). Trait anxiety has been proposed to modulate these responses, but it is yet unclear how such modulations depend on feature-based attention. In this preregistered study (N = 80), we investigated the effects of trait anxiety on ERP differences between fearful and neutral faces across three different tasks. Participants had to discriminate either the orientation of lines overlaid onto the faces, the gender of the face, or the emotional expression, thus increasing attention to emotionally relevant facial features across the tasks. Fearful versus neutral faces elicited increased P1 and N170 amplitudes across tasks and potentiated amplitudes when attention was directed to faces (early posterior negativity [EPN]) or the expression (EPN and late positive potential). Higher trait anxiety was related to smaller EPN differences between fearful and neutral faces during the perceptual discrimination task. This early relationship suggests reduced instead of amplified processing of fearful faces for high trait anxious participants under perceptual distraction.

中文翻译:

在高特质焦虑参与者的知觉分心期间减少早期恐惧面部处理

可怕的面部表情在信息处理的不同阶段被优先考虑,这反映在事件相关脑电位 (ERP) 的早期、中期延迟和晚期组件中。已经提出特质焦虑来调节这些反应,但尚不清楚这种调节如何依赖于基于特征的注意力。在这项预先注册的研究中(N = 80),我们调查了特质焦虑对三个不同任务中恐惧和中性面孔之间 ERP 差异的影响。参与者必须区分覆盖在脸上的线条的方向、面部的性别或情绪表达,从而在任务中增加对情绪相关面部特征的关注。恐惧与中性面孔在任务中引起 P1 和 N170 振幅增加,当注意力集中在面孔(早期后负性 [EPN])或表达(EPN 和晚期正电位)时,振幅会增强。较高的特质焦虑与感知歧视任务期间恐惧和中性面孔之间较小的 EPN 差异有关。
更新日期:2021-06-01
down
wechat
bug