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首页> 外文期刊>Neuropsychologia >ERP index of the morphological family size effect during word recognition
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ERP index of the morphological family size effect during word recognition

机译：单词识别过程中形态族大小效应的ERP指数

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The purpose of this study was to examine whether the N400 is affected by the semantic richness of associated neighboring word members or by the density of the orthographic syllable neighborhood. Another purpose of this study was to investigate the source of the different LPC in respect to the semantic richness. To do so, the density of the syllable neighborhood and the size of the morphological family of a word were orthogonally manipulated. ERPs from 24 participants were collected during a goo-go semantic categorization task. The results showed that the N400 effect was mainly influenced by the density of the syllable neighborhood rather than by the morphological family size. The results also showed that words with a larger morphological family size generate significantly larger LPC than words with a smaller morphological family size. The present study did not support the assumption that the main source of the N400 effect is the semantic richness of the associated neighbors. The present results suggest that the N400 is more sensitive to the density of the syllable neighborhood and LPC is sensitive to the density of the semantic neighborhood reflected by the morphological family size.
机译：这项研究的目的是检查N400是否受关联的相邻单词成员的语义丰富度或正字音节邻域的密度影响。这项研究的另一个目的是研究语义丰富度方面不同LPC的来源。为此，对音节邻域的密度和单词的形态族的大小进行正交处理。在进行/不进行语义分类任务中收集了来自24名参与者的ERP。结果表明，N400效应主要受音节邻域密度的影响，而不是受形态族大小的影响。结果还表明，与形态学族较小的词相比，形态学族较大的词产生的LPC明显更大。本研究不支持N400效应的主要来源是相关邻居的语义丰富性这一假设。目前的结果表明，N400对音节邻域的密度更敏感，而LPC对形态族大小反映的语义邻域的密度更敏感。

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