Lück Monika, Hahne Anja, Clahsen Harald
Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany.
Brain Res. 2006 Mar 10;1077(1):144-52. doi: 10.1016/j.brainres.2006.01.030. Epub 2006 Feb 17.
This study uses event-related brain potentials (ERPs) to investigate the processing of morphologically regular and irregular words during auditory comprehension. ERPs were recorded, while 23 German-speaking subjects listened to correctly and incorrectly inflected noun plural forms presented in sentential contexts. ERP responses to violations of morphological structure were different to those of lexical (word-level) violations: the former elicited LAN/P600 effects, and the latter an enhanced N400 component relative to the correctly inflected plural forms. This difference replicates previous results from visual ERP studies and supports the distinction between combinatorial and memory-based processing of morphologically complex words. In addition, LAN/P600 effects were found to be more prominent in the auditory domain than in a previous visual study using similar materials.
本研究使用事件相关脑电位（ERP）来探究在听觉理解过程中形态规则和不规则单词的处理情况。记录ERP，同时23名说德语的受试者听在句子语境中呈现的正确和错误屈折变化的名词复数形式。对违反形态结构的ERP反应与词汇（单词层面）违反的反应不同：前者引发左前负波/ P600效应，后者相对于正确屈折变化的复数形式引发增强的N400成分。这种差异重复了之前视觉ERP研究的结果，并支持了对形态复杂单词的组合式处理和基于记忆的处理之间的区别。此外，发现左前负波/ P600效应在听觉领域比之前使用类似材料的视觉研究中更为显著。
