A Functional Coupling of Brain and Behavior During Social Categorization of Faces.
A Functional Coupling of Brain and Behavior During Social Categorization of Faces.
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DOI：
10.1177/0146167220976688
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发表时间：
2021-11
影响因子：
4
通讯作者：
Bartholow BD
中科院分区：
文献类型：
--
作者：
Volpert-Esmond HI;Bartholow BD
相当多的研究集中在人们如何从他们的面部获得关于他人社会类别成员的信息。理论模型认为，早期提取任务相关的信息，从一张脸应该决定的效率，该脸是分类，但支持这一想法的证据一直难以捉摸。在这里，我们使用了一种新的试验级数据分析方法来研究两个事件相关的潜在成分之间的关系P2，索引早期注意到类别相关的信息，和P3，索引刺激评价和速度明显的分类判断。正如所预测的那样，在特定试验中，较大的面部引起的P2与该面部的更快的明显种族或性别分类相关。这种关联是介导的P3潜伏期，表明提取更多的类别相关的信息在处理促进刺激评价早期。这些发现支持信息处理的连续流模型和长期理论化的功能意义的面孔引起的神经生理反应的社会分类。
Considerable research has focused on how people derive information about others’ social category memberships from their faces. Theoretical models posit that early extraction of task-relevant information from a face should determine the efficiency with which that face is categorized, but evidence supporting this idea has been elusive. Here, we used a novel trial-level data analytic approach to examine the relationship between two event-related potential components—the P2, indexing early attention to category-relevant information, and the P3, indexing stimulus evaluation—and the speed of overt categorization judgments. As predicted, a larger face-elicited P2 on a particular trial was associated with faster overt race or gender categorization of that face. This association was mediated by P3 latency, indicating that extraction of more category-relevant information early in processing facilitated stimulus evaluation. These findings support continuous flow models of information processing and the long-theorized functional significance of face-elicited neurophysiological responses for social categorization.
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