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http://dx.doi.org/10.13064/KSSS.2019.11.4.063

Individual differences in categorical perception: L1 English learners' L2 perception of Korean stops  

Kong, Eun Jong (Department of English, Korea Aerospace University)
Publication Information
Phonetics and Speech Sciences / v.11, no.4, 2019 , pp. 63-70 More about this Journal
Abstract
This study investigated individual variability of L2 learners' categorical judgments of L2 stops by exploring English learners' perceptual processing of two acoustic cues (voice onset time [VOT] and f0) and working memory capacity as sources of variation. As prior research has reported that English speakers' greater use of the redundant cue f0 was responsible for gradient processing of native stops, we examined whether the same processing characteristics would be observed in L2 learners' perception of Korean stops (/t/-/th/). 22 English learners of L2 Korean with a range of L2 proficiency participated in a visual analogue scaling task and demonstrated variable manners of judging the L2 Korean stops: Some were more gradient than others in performing the task. Correlation analysis revealed that L2 learners' categorical responses were modestly related to individuals' utilizations of a primary cue for the stop contrast (VOT for L1 English stops and f0 for L2 Korean stops), and were also related to better working memory capacity. Together, the current experimental evidence demonstrates adult L2 learners' top-down processing of stop consonants where linguistic and cognitive resources are devoted to a process of determining abstract phonemic identity.
Keywords
perceptual cue weighting; stop laryngeal contrast; voice onset time; fundamental frequency;
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Times Cited By KSCI : 1  (Citation Analysis)
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