Brain Processing Component during Face Cognition -N170 Revealed by Event-related Potentials.
目的:研究面孔识别早期加工脑成分N170 ,考察其是否反映面孔加工的特异性 ,是否反映Bruce -Young面孔认知模型中结构编码及面孔加工是否具有右半球优势等问题。 方法:16名被试者学习和再认面孔照片 ,记录其脑电。结果:仅半数被试者出现N170 ,认知任务显著影响N170波幅。结论:N170不能反映面孔的结构编码 ,是否反映面孔加工特异性还值得进一步研究 ,面孔识别加工时两半球的优势在加工速度与加工强度两个维度上各占优势 ...
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