Cerebral lateralization in bilinguals: Methodological issues |
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| Authors: | Loraine K. Obler Robert J. Zatorre Linda Galloway Jyotsna Vaid |
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| Affiliation: | Boston University School of Medicine, and Aphasia Research Center, Boston VA Medical Center USA;Brown University, Providence VA Medical Center USA;University of California, Los Angeles, USA;McGill University, Montreal, Canada |
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| Abstract: | The literature on lateralization for language in bilinguals manifests two apparent contradictions. Some papers demonstrate differences in lateralization between bilinguals and monolinguals; others demonstrate none. In studies with exclusively bilingual subjects, some papers demonstrate differences between the lateralization for the two languages, while others demonstrate none. This paper discusses the range of methodological parameters which must be borne in mind when conducting or evaluating studies of lateralization for language in bilinguals. These include issues of subject selection, language and stimulus selection, testing procedures, data analysis, and interpretation of results. |
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| Keywords: | Address reprint requests to Loraine K. Obler Department of Neurology Boston VA Medical Center 150 S. Huntington Avenue Boston MA 02130. |
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