语义语境影响和视副区单词识别的平行机制。
The parallel mechanism of semantic context influences and parafoveal word identification.
机构信息
School of Psychology, South China Normal University, Guangzhou, 510631, China.
Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA.
出版信息
Neurosci Lett. 2019 Jun 21;704:73-77. doi: 10.1016/j.neulet.2019.03.026. Epub 2019 Mar 29.
Previous event-related potential (ERP) studies have shown that the N400 effect tracks with the isolation point of a word in spoken language comprehension. These results suggested the semantic context of a sentence influences word processing before word identification. However, this delayed effect of N400 latency is not often the case in written language comprehension. The present study combined ERP with a rapid serial visual presentation with flanker (RSVP-flanker) method to examine this issue when words were presented in the parafovea. We manipulated three kinds of critical words: expected (EXP), semantically violated (VIO) and semantically cohort violated (COH-VIO). The ERP results showed that the parafoveal N400 effect was delayed in the contrast of COH-VIO vs. EXP than the contrast of VIO vs. EXP. These results suggested that the semantic context influences parafoveal word processing before word identification in written language comprehension.
先前的事件相关电位 (ERP) 研究表明，N400 效应与口语理解中单词的隔离点有关。这些结果表明，句子的语义语境会影响单词识别之前的单词处理。然而，在书面语言理解中，N400 潜伏期的这种延迟效应并不常见。本研究结合 ERP 和快速串行视觉呈现与侧翼 (RSVP-flanker) 方法，当单词在视幅外呈现时，检查了这个问题。我们操纵了三种关键单词：预期 (EXP)、语义违反 (VIO) 和语义伴随违反 (COH-VIO)。ERP 结果表明，与 VIO 与 EXP 的对比相比，COH-VIO 与 EXP 的对比中，视幅外 N400 效应延迟。这些结果表明，在书面语言理解中，语义语境会影响单词识别之前的视幅外单词处理。
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