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Phonological processing in late second language learners: The effects of proficiency and task*
Published online by Cambridge University Press: 07 September 2015
Abstract
Using event related brain potentials (ERPs), we examined the neurocognitive basis of phonological discrimination of phoneme /h/ in native English speakers and Francophone late second language (L2) learners, as a function of L2 proficiency and stimulus/task demands. In Experiment 1, native and non-native (L2 only) phonological contrasts were presented as syllables during a task that directed attention to phonological form. Phonological categorization was assessed with MMN, N2b and P3b effects. In Experiment 2, the same contrasts were presented as words/ pseudowords during a task that directed attention to semantics. Phonological discrimination was assessed with N400 pseudoword effects. High proficiency L2 learners displayed similar ERPs as native speakers in both experiments; low proficiency L2 learners showed discrimination of non-native contrasts in Experiment 1 (directed attention task) only. Thus, L2 phonological discrimination by late learners may depend on stimulus/task factors and occurs in a wider range of contexts as L2 proficiency improves.
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- Copyright © Cambridge University Press 2015
Footnotes
We would like to thank Masha Westerlund, Brooke Levis, Julie Mercier, Heather Goad and Jennifer Goudey for their help with various aspects of this project. This work was supported by grants awarded from the Social Sciences and Humanities Research Council (SSHRC) to Fred Genesee, the Natural Sciences and Engineering Research Council of Canada (NSERC) to Karsten Steinhauer (# RGPGP 312835 and # RGPIN 402678-11), Debra Titone (CRC/CFI project # 205844; NSERC # 204609) and Erin White (Postgraduate Scholarship), by the Canada Foundation for Innovation to Karsten Steinhauer (CRC/CFI; project # 201876) and as well as the Center for Research on Brain, Language and Music (CRBLM). This study was conducted at McGill University.
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