Rapid phonetic drift in second language acquisition
نویسنده
چکیده
This paper is concerned with the nature and time course of phonetic drift in one’s first language during acquisition of a second language. In a longitudinal study of native English speakers’ acquisition of Korean, 20 late learners produced the same English and Korean items at weekly intervals over the course of intensive beginning Korean language classes. Results of acoustic analyses indicate that learning Korean stops influences the production of English stops (in terms of voice onset time and/or fundamental frequency onset) in as little as one week, with the English sounds approximating the characteristics of the Korean sounds to which they are most phonetically similar. These results indicate that first-language phonological categories are affected by second language learning on a very short time scale, suggesting that the equivalence classification between firstand second-language categories that gives rise to this phonetic drift may be rather low-level in nature.
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تاریخ انتشار 2009