한국인 영어학습자의 의미역 및 화용적 위반 문장 처리: ERP 기반 연구
Processing of Theta Role and Pragmatic Violations by Korean Learners of English: An ERP-based Analysis
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초록
In this paper we examined how Korean learners of English process presumably semantic relationships by employing the event-related potentials (ERP) paradigm. The participants read simple sentences presented word-by-word and made plausibility judgments on three sentence types: no violation, thematic-role animacy violation, and non-thematic-role pragmatic violation. ERPs were measured at critical verbs that assign a thematic role of AGENT to their subject NPs, where the latter are integrated with the former. In the previous studies on L1 processing, thematic-role animacy violation elicited P600 effects as an index of syntactic/grammatical violation, whereas non-thematic-role pragmatic violation elicited N400 effects as an index of semantic/pragmatic violation. In this study on L2 processing, non-thematic-role pragmatic violation (For breakfast the boys would only bury...) elicited significant N400 effects. In thematic-role animacy violation (For breakfast the eggs would only eat...), however, there were no effects of N400 or P600. In short, unlike L1 speakers, Korean L2 learners have great difficulty in syntactic/grammatical processing. We suppose that this difficulty arises owing to the following factors. First, L2 learners tend to use semantic rather than syntactic information in sentence processing. Second, L1 is acquired implicitly in children, but L2 is learned explicitly in formal classrooms. Finally, with maturational changes, late L2 learners use a more declarative memory system than a procedural one in L2 syntactic/grammatical processing.
Abstract
In this paper we examined how Korean learners of English process presumably semantic relationships by employing the event-related potentials (ERP) paradigm. The participants read simple sentences presented word-by-word and made plausibility judgments on three sentence types: no violation, thematic-role animacy violation, and non-thematic-role pragmatic violation. ERPs were measured at critical verbs that assign a thematic role of AGENT to their subject NPs, where the latter are integrated with the former. In the previous studies on L1 processing, thematic-role animacy violation elicited P600 effects as an index of syntactic/grammatical violation, whereas non-thematic-role pragmatic violation elicited N400 effects as an index of semantic/pragmatic violation. In this study on L2 processing, non-thematic-role pragmatic violation (For breakfast the boys would only bury...) elicited significant N400 effects. In thematic-role animacy violation (For breakfast the eggs would only eat...), however, there were no effects of N400 or P600. In short, unlike L1 speakers, Korean L2 learners have great difficulty in syntactic/grammatical processing. We suppose that this difficulty arises owing to the following factors. First, L2 learners tend to use semantic rather than syntactic information in sentence processing. Second, L1 is acquired implicitly in children, but L2 is learned explicitly in formal classrooms. Finally, with maturational changes, late L2 learners use a more declarative memory system than a procedural one in L2 syntactic/grammatical processing.
참고문헌 (26)
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