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Luo Junlong1;Li Wenfu2;Zhang Qinglin2
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罗俊龙1;李文福2;张庆林2
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Abstract: In the current study, high-density event-related potentials(ERPs)were recorded to examine the electrophysiological correlates of Chinese character recognition in a guessing Chinese logogriph task by using a three-stage model for learning-testing-judgment.
Key words: Chinese character recognition, a riddle guessing task, event-related brain potentials(ERPs)
摘要: 通过“学习-测试-判断”的三阶段实验范型, 采用事件相关电位(ERP)技术探讨了猜谜任务中对谜底答案(单个汉字)识别的脑内时程动态变化。结果发现:语义识别与字形识别下,汉字刺激均诱发了明显的N1、P2和N2成分,其中语义识别下的P2波幅表现为更加正性,可能与汉字语义的早期加工有关;随后,300-400ms内,语义识别比字形识别诱发了一个更加正性的ERP成分,该成分可能属于P300成分,反映了对汉字语义的进一步整合加工;最后,500-600ms内,语义识别比字形识别同样诱发了一个更加正性的ERP成分,可能反
关键词: 汉字识别, 猜谜任务, 事件相关电位
CLC Number:
B842.5
Luo Junlong;Li Wenfu;Zhang Qinglin. The Time Course of Chinese Character Recognition: An ERP Evident from a Riddle Guessing Task[J]. .
罗俊龙;李文福;张庆林3. 汉字识别的时间进程:来自字谜任务的ERP证据[J]. .
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URL: https://psybeh.tjnu.edu.cn/EN/
https://psybeh.tjnu.edu.cn/EN/Y2013/V11/I1/43