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Syllable and letter similarity effects in Korean: Insights from the Korean Lexicon Project
Journal of Memory and Language ( IF 2.9 ) Pub Date : 2021-02-01 , DOI: 10.1016/j.jml.2020.104170
Cynthia S.Q. Siew , Kwangoh Yi , Chang H. Lee

Abstract The Korean writing system, Hangul, is an alphabetic syllabary which permits a unique opportunity to investigate how both the syllabic and letter similarity structure of the Korean mental lexicon influences lexical processing. We capitalized on the availability of lexical decision behavioral data for thousands of Korean words, and the tools of network science to quantify the similarity structure of Korean words, to investigate the relative and interacting influences of syllable and letter similarity effects on Korean word recognition. Syllable and letter similarity measures were computed at both local and global levels of the lexicon, by considering the immediate neighbors of the target word (i.e., local) and the centrality of the target word with respect to the entire lexicon (i.e., global). Regression analyses showed that both local and global syllable and letter similarity influenced lexical decision performance, revealing a complex pattern of similarity effects where greater local similarity inhibited word recognition, and greater global distinctiveness facilitated word recognition. Furthermore, there were significant interaction effects between syllable and letter levels, suggesting that both syllabic and letter information are processed in an interactive fashion by Korean readers. Our findings demonstrate the importance of adopting computational methods that go beyond standard neighborhood measures and that can quantify the similarity relationships between words at multiple levels.

中文翻译:

韩语中的音节和字母相似效应:来自韩语词典项目的见解

摘要 韩文书写系统 Hangul 是一个字母音节,它提供了一个独特的机会来研究韩国心理词典的音节和字母相似结构如何影响词汇加工。我们利用数千个韩语单词的词汇决策行为数据的可用性,以及网络科学工具来量化韩语单词的相似性结构,研究音节和字母相似性对韩语单词识别的相关和交互影响。通过考虑目标词的直接邻居(即本地)和目标词相对于整个词典(即全局)的中心性,在词典的局部和全局级别计算音节和字母相似性度量。回归分析表明,局部和全局的音节和字母相似性都会影响词汇决策性能,揭示了一种复杂的相似性效应模式,其中较大的局部相似性抑制了单词识别,而较大的全局独特性促进了单词识别。此外,音节和字母水平之间存在显着的交互作用,表明韩国读者以交互方式处理音节和字母信息。我们的研究结果证明了采用超越标准邻域度量的计算方法的重要性,该方法可以在多个级别量化单词之间的相似性关系。揭示了一种复杂的相似效应模式,其中更大的局部相似性抑制了单词识别,而更大的全局独特性促进了单词识别。此外,音节和字母水平之间存在显着的交互作用,表明韩国读者以交互方式处理音节和字母信息。我们的研究结果证明了采用超越标准邻域度量的计算方法的重要性,该方法可以在多个级别量化单词之间的相似性关系。揭示了一种复杂的相似效应模式,其中更大的局部相似性抑制了单词识别,而更大的全局独特性促进了单词识别。此外,音节和字母水平之间存在显着的交互作用,表明韩国读者以交互方式处理音节和字母信息。我们的研究结果证明了采用超越标准邻域度量的计算方法的重要性,该方法可以在多个级别量化单词之间的相似性关系。这表明韩国读者以交互方式处理音节和字母信息。我们的研究结果证明了采用超越标准邻域度量的计算方法的重要性,该方法可以在多个级别量化单词之间的相似性关系。这表明韩国读者以交互方式处理音节和字母信息。我们的研究结果证明了采用超越标准邻域度量的计算方法的重要性,该方法可以在多个级别量化单词之间的相似性关系。
更新日期:2021-02-01
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