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ERP Effects of Word Exposure and Orthographic Knowledge on Lexical Decisions in Spanish

机译：单词暴露和字面知识对西班牙语词汇决策的ERP影响

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Orthographic knowledge is affected by language processing, which is associated with word exposure. This study used event-related potentials (ERP) to explore this association in Spanish-speaking adults with different levels of orthographic competence (High Spelling Skills: HSS; Low Spelling Skills: LSS) while they performed a lexical decision task on previously exposed words (1 or 5 times). Both groups benefited from the exposure rate, but HSS reached significantly higher correct and faster responses, particularly with repeated words. Word recognition potential (RP) amplitude was higher bilaterally in HSS group, especially with repeated words, while P220 was found to be right-lateralized and sensitive to word exposure. Also, the amplitude of P600 varied as a function of word exposure and positively correlated with reading speed. Results suggest that LSS group is less sensitive to word exposure and fails to automatize strategies to word recognition that affect reading fluency.
机译：拼字知识受语言处理的影响，而语言处理与单词暴露有关。这项研究使用事件相关电位（ERP）在具有不同拼写能力水平的西班牙语西班牙语成年人（高拼写技能：HSS;低拼写技能：LSS）中探索这种关联，同时他们对先前暴露的单词执行词汇决策任务（ 1或5次）。两组都受益于接触率，但HSS的正确率和响应率均显着提高，尤其是重复单词时。在HSS组中，单词识别电位（RP）的幅度在双边上都较高，尤其是重复单词时，而P220被发现是右偏并且对单词暴露敏感。而且，P600的幅度随单词曝光而变化，并且与读取速度呈正相关。结果表明，LSS组对单词暴露的敏感度较低，并且未能自动执行会影响阅读流利度的单词识别策略。

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