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采用事件相关电位技术来研究人脑对面孔识别异族效应的加工成分是近年来心理学研究的一个新的方向。异族效应是面孔识别过程中一种非常稳定的现象,表现为个体对本族面孔的识别与再认成绩显著高于异族面孔。对于该现象产生的原因目前主要有种族态度假说、知觉经验说与社会分类说三种理论。采取事件相关电位的技术来揭示面孔识别异族效应产生的脑机制是近年来才开始的,目前已有研究证明个体在识别本组面孔和异族面孔时在个别脑区产生的脑电波是有差异的。虽然用事件相关电位的方法研究面孔识别的异族效应已经取得了显著的成绩,但是和国际上该方面研究的进展相比,我国还是非常落后的。因此,对于进一步探索面孔识别异族效应的脑机制是非常紧迫和必要的。
The use of event-related potentials to study the processing components of human faces’ recognition of interracial effects is a new direction in psychology research in recent years. The alien effect is a very stable phenomenon in the process of face recognition. It shows that the individual’s recognition and recognition of the native face is significantly higher than that of the other faces. The reasons for this phenomenon are currently mainly three kinds of theories of racial attitude hypothesis, perception experience and social classification theory. The use of event-related potentials to reveal the brain mechanisms that face the emergence of interracial effects has only recently begun, and studies have shown that there is a difference in the brainwaves that individuals develop in individual brain regions when identifying faces and interracial faces . Although the inter-ethnic effects of face-detection have been significantly improved by the method of event-related potentials, our country still lags far behind the international progress made in this respect. Therefore, it is very urgent and necessary to further explore the brain mechanism of face recognition of alien effects.