Social processing modulates the initial allocation of attention towards angry faces: evidence from the N2pc component.

Benedikt Emanuel Wirth, Dirk Wentura
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Abstract

Previous research has shown that attentional bias towards angry faces is moderated by the activation of a social processing mode. More specifically, reliable cueing effects for angry face cues in the dot-probe task only occurred when participants performed a task that required social processing of the target stimuli. However, cueing effects are a rather distal measure of covert shifts in spatial attention. Thus, it remains unclear whether the social processing mode modulates initial allocation of attention to or attentional disengagement from angry faces. In the present study, we used the N2pc, an event-related potential component, as an index of attentional shifts towards angry faces. Participants performed a dot-probe task with two different target conditions while the electroencephalogram (EEG) was recorded. In the social target condition, target stimuli were socially meaningful (schematic faces), and in the non-social target condition, they were meaningless (scrambled schematic faces). The amplitude of the N2pc component elicited by angry face cues was significantly larger in the social target condition than in the non-social target condition. This pattern also occurred for behavioural cueing effects. These results suggest that the activation of a social processing mode due to current task demands affects the initial allocation of attention towards angry faces.

社会处理调节了对愤怒面孔的初始注意力分配:来自N2pc组件的证据。
先前的研究表明,对愤怒面孔的注意偏向会被一种社会处理模式的激活所缓和。更具体地说,只有当参与者执行需要对目标刺激进行社会处理的任务时,点探测任务中愤怒脸线索的可靠提示效应才会出现。然而,线索效应是空间注意力隐蔽转移的一个相当远的测量。因此,尚不清楚社会加工模式是否调节了对愤怒面孔的初始注意分配或注意脱离。在本研究中,我们使用了N2pc,一个事件相关的潜在成分,作为注意力转向愤怒面孔的指数。在记录脑电图的同时,参与者在两种不同的目标条件下进行点探测任务。在社会目标条件下,目标刺激是有社会意义的(图式脸),而在非社会目标条件下,目标刺激是无意义的(杂乱的图式脸)。愤怒面孔线索在社会目标条件下诱发的N2pc分量的振幅显著大于非社会目标条件下。这种模式也出现在行为线索效应中。这些结果表明,由于当前任务需求而激活的社会处理模式影响了对愤怒面孔的初始注意分配。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
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