Individual differences in late bilinguals' L2 phonological processes: From acoustic-phonetic analysis to lexical access |
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| Authors: | Begoña Díaz Holger Mitterer Mirjam Broersma Núria Sebastián-Gallés |
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| Institution: | 1. Max Planck Institute for Human Cognitive and Brain Sciences, Stephanstrasse 1a, 04103 Leipzig, Germany;2. Max Planck Institute for Psycholinguistics, P.O. Box 310, 6500 AH Nijmegen, The Netherlands;3. Brain and Cognition Unit, Universitat Pompeu Fabra, Roc Boronat 138, 08018 Barcelona, Spain;1. Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands;2. Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen, Nijmegen, The Netherlands;3. Institute for Psychological Research and Leiden Institute for Brain and Cognition, Leiden, The Netherlands;1. Psychology Department, The Chinese University of Hong Kong, Shatin, Hong Kong;2. Faculty of Education, University of Macau, Macao;3. Department of Special Education and Counselling, The Hong Kong Institute of Education, Hong Kong;4. The Institute of Linguistics, Academia Sinica, Taiwan;5. Department of Electrical and Computer Engineering, Johns Hopkins University, United States;6. Division of Speech and Hearing Sciences, The University of Hong Kong, Pokfulam, Hong Kong;1. Stanford University, Stanford, CA 94305, USA;2. Purdue University, West Lafayette, IN 47907-2038, USA;1. Institut für Germanistische Sprachwissenschaft (IGS), Philipps University Marburg, D-35032 Marburg, Germany;2. Fakultät für Linguistik und Literaturwissenschaft, Universität Bielefeld, Germany;1. Aphasia and Neurolinguistics Research Laboratory, Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL, USA;2. Department of Neurology, Northwestern University, Evanston, IL, USA;3. Cognitive Neurology and Alzheimer''s Disease Center, Northwestern University, Evanston, IL, USA;4. Department of Communication Sciences and Disorders, Bowling Green State University, USA;5. Department of Communication Sciences and Disorders, University of South Carolina, USA;6. Linguistics Department, Tel Aviv University, Israel;7. Sagol School of Neuroscience, Tel Aviv University, Israel;1. Max Planck Institute for Psycholinguistics, P.O. Box 310, 6500 AH Nijmegen, The Netherlands;2. International Max Planck Research School for Language Sciences, P.O. Box 310, 6500 AH Nijmegen, The Netherlands;3. Behavioural Science Institute and Donders Institute for Brain, Cognition & Behaviour, Radboud University Nijmegen, Postbus 9104, 6500 HE Nijmegen, The Netherlands |
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| Abstract: | The extent to which the phonetic system of a second language is mastered varies across individuals. The present study evaluates the pattern of individual differences in late bilinguals across different phonological processes. Fifty-five late Dutch-English bilinguals were tested on their ability to perceive a difficult L2 speech contrast (the English /æ/-/ε/ contrast) in three different tasks: A categorization task, a word identification task and a lexical decision task. As a group, L2 listeners were less accurate than native listeners. However, at the individual level, almost half of the L2 listeners scored within the native range in the categorization task whereas a small percentage scored within the native range in the identification and lexical decision tasks. These results show that L2 listeners' performance crucially depends on the nature of the task, with higher L2 listener accuracy on an acoustic-phonetic analysis task than on tasks involving lexical processes. These findings parallel previous results for early bilinguals, where the pattern of performance was consistent with the processing hierarchy proposed by different models of speech perception. The results indicate that the analysis of patterns of non-native performance can provide important insights concerning the architecture of the speech perception system and the issue of language learnability. |
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