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Research Article

Acquisition of Korean Stop Sounds by L2 Learners and the Role of Proficiency : an ERP Study

Cho, Jeonghwa, Hyeon-Ae Jeon, Kichun Nam, Kim, Youngjoo, Sun-Young Lee

University of Michigan
대구경북과학기술원
고려대학교
경희대학교
사이버한국외국어대학교

Published: January 2020 · Vol. 55, No. 5 · pp. 5-29

DOI: https://doi.org/10.20880/kler.2020.55.5.5

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Abstract

This study examined the acquisition of Korean stop sounds /t/(ㄷ), /t’/(ㄸ) and /th /(ㅌ) by Chinese learners of Korean using Event-related potentials (ERP). Fifteen advanced learners and ten intermediate learners participated in both a behavioural and an ERP experiment. The intermediate learners were significantly less accurate than the advanced learners in discriminating /t’/ from /t/. The overall ERP result also showed less sensitivity of the intermediate learners compared to the advanced learners to the distinction between different stop sounds. The results indicate that the phonemic acquisition of Korean stop sounds by L2 learners develops as the learners’ proficiency increases
Keywords: Korean stop soundsERPChinese learners of koreanMismatch negativity