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Neuro-cognitive Processing of Morpho-syntax and Phonology in Late Second Language Learners

出版	McGill University Libraries, 2012
URL	http://books.google.com.hk/books?id=2FNcoAEACAAJ&hl=&source=gbs_api

註釋"The role of age of acquisition in determining level of ultimate second language (L2) attainment is one of the most longstanding and controversial issues in the field of L2 acquisition. In particular, it is unclear whether there are limits to the brain's ability to process a L2 learned after puberty. The research for this dissertation used event related brain potentials (ERPs) to examine the neuro-cognitive processes that late (i.e., post-puberty) L2 learners use when processing L2 morpho-syntax and phonology. It investigated: (1) how the neuro-cognitive bases of L2 processing change as late learners become more proficient in their L2 (Study 1); (2) to what extent high proficiency late L2 learners recruit similar neuro-cognitive processing mechanisms as native speakers (Study 2); and (3) the role of the first language in determining L2 processing at various stages of L2 proficiency (Study 1 & 2). The results of these studies suggest that a certain degree of plasticity remains in the neural systems supporting L2 grammar and phonological processing, even in adult learners. Native-like neuro-cognitive processing appears to be available to late L2 learners at relatively high levels of proficiency when processing certain aspects of their L2. Results are discussed with respect to the neuro-cognitive changes that are associated with L2 acquisition and whether there are maturational constraints that limit L2 acquisition and processing for late L2 learners."--