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运用事件相关电位技术,采用词汇判断作业,考察字形畸变和语境对低频汉字识别的影响。行为结果显示,启动效应的主效应显著,启动条件和字形畸变的交互作用显著。脑电结果显示,150-300ms窗口,字形畸变的主效应显著。300-450ms时间窗口,启动效应的主效应显著。靶字畸变和靶字清晰条件下,均得到了语义相关和语义无关条件的显著差异。得出结论,汉字通透性是影响汉字加工的重要因素。RP与视知觉分析有关,N400和语义的自动加工有关。
Using event-related potential technique, we use vocabularies to determine homework and investigate the effect of font distortion and context on low frequency Chinese characters recognition. Behavioral results show that the main effect of start-up effect is significant, and the interaction between start-up conditions and glyph distortion is significant. EEG results show that 150-300ms window, the main effect of glyph distortion significantly. 300-450ms time window, the main effect of start-up effect is significant. Under the condition of target word distortion and target words being clear, significant differences of semantic correlation and semantic irrelevant conditions were obtained. Concluded that the permeability of Chinese characters is an important factor affecting the processing of Chinese characters. RP and visual perception analysis, N400 and semantic automatic processing.