Neural correlates of attentional orienting with neutral and fearful gaze cues in 12-month-olds.

IF 1.7 4区医学 Q4 NEUROSCIENCES Social Neuroscience Pub Date : 2023-04-01 DOI:10.1080/17470919.2023.2208877

Reiko Matsunaka, Kazuo Hiraki

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Abstract

Infants use information on gaze direction and facial expressions for social referencing when encountering various objects in their environment. However, it remains unclear how these social cues influence attentional orienting in infants. Using event-related potentials (ERPs), we investigated the neural correlates of attentional orienting cued by an averted gaze with neutral and fearful expressions in 12-month-olds. We focused on the ERPs in response to a face (N290, P400, and Nc) as well as a saccade toward the target (the presaccadic spike potential: SP) and found that the amplitudes of the face-sensitive ERPs (N290 and P400) were larger for directed than averted gaze direction irrespective of facial expression. Furthermore, the amplitude of the SP involved in overt orienting was larger for fearful expressions than for neutral expressions, irrespective of gaze congruency. These results suggest that information on gaze direction and facial expression, specifically neutral and fearful expressions, may be processed independently, and that fearful expressions dominantly influence the neural correlates of attentional orienting in infants around 12 months of age.

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12个月大婴儿的注意定向与中性和恐惧凝视线索的神经关联。

婴儿在遇到环境中的各种物体时，使用凝视方向和面部表情信息作为社会参考。然而，目前尚不清楚这些社会线索如何影响婴儿的注意定向。我们利用事件相关电位(ERPs)研究了12个月大的婴儿在中性和恐惧表情的注视下的注意定向的神经关联。我们重点研究了面对人脸(N290、P400和Nc)以及向目标扫视(眼前尖峰电位:SP)时的erp，发现无论面部表情如何，注视方向的面部敏感erp (N290和P400)的振幅都大于注视方向的面部敏感erp (N290和P400)。此外，与注视一致性无关，与明显定向相关的SP振幅在恐惧表情中比在中性表情中更大。这些结果表明，凝视方向和面部表情的信息，特别是中性和恐惧的表情，可能是独立加工的，并且恐惧的表情在12个月左右的婴儿中主要影响注意定向的神经相关。

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来源期刊

Social Neuroscience 医学-神经科学

CiteScore

3.40

自引率

5.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Social Neuroscience features original empirical Research Papers as well as targeted Reviews, Commentaries and Fast Track Brief Reports that examine how the brain mediates social behavior, social cognition, social interactions and relationships, group social dynamics, and related topics that deal with social/interpersonal psychology and neurobiology. Multi-paper symposia and special topic issues are organized and presented regularly as well. The goal of Social Neuroscience is to provide a place to publish empirical articles that intend to further our understanding of the neural mechanisms contributing to the development and maintenance of social behaviors, or to understanding how these mechanisms are disrupted in clinical disorders.