The encoding of race during face processing, an event-related potential study

被引:0
|
作者
Zhu, Haidong [1 ]
Wang, Anqi [1 ]
Collins, Heather R. [2 ]
Yue, Yaqi [1 ]
Xu, Shuhui [3 ]
Zhu, Xun [1 ,3 ]
机构
[1] Shihezi Univ, Dept Psychol, Shihezi, Xinjiang, Peoples R China
[2] Med Univ South Carolina, Dept Radiol, Charleston, SC 29425 USA
[3] Wenzhou Univ, Dept Psychol, Wenzhou, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
face perception; race; encoding; multivariate pattern analysis; OWN-RACE; ERP EVIDENCE; BRAIN; RECOGNITION; BIAS; PERCEPTION; MEMORY; CATEGORIZATION; ATTENTION; DECISION;
D O I
10.1177/03010066211048573
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
It is well known that adults spontaneously classify people into social categories and this categorization in turn guides their cognition and behavior. A wealth of research has examined how people perceive race and investigated the effect of race on social behavior. But what about race encoding? Although considerable behavioral research has investigated the encoding of race, that is, the social categorization by race, the neural underpinning of it is largely underexplored. To investigate the time course of race encoding, the current study employed a modified category verification task and a multivariate analyzing approach. We found that racial information became decodable from event-related potential topographies as early as about 200 ms after stimulus onset. At this stage, the brain can differentiate different races in a task-relevant manner. Nonetheless, it is not until 100 ms later that racial information is encoded in a socially relevant manner (own- versus other-race). Importantly, perceptual differentiation not only occurs before the encoding of the race but actually influences it: the faces that are more easily perceptually categorized are actually encoded more readily. Together, we posit that the detection and the encoding of race are decoupled although they are not completely independent. Our results provide powerful constraints toward the theory-building of race.
引用
收藏
页码:842 / 860
页数:19
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