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Evidence of non-selective lexical access in children from a Portuguese-English bilingual school ; Evidência de acesso lexical não seletivo em crianças de uma escola bilíngue português-inglês
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Second language processing shows increased native-like neural responses after months of no exposure
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Second language processing shows increased native-like neural responses after months of no exposure
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Abstract:
Although learning a second language (L2) as an adult is notoriously difficult, research has shown that adults can indeed attain native language-like brain processing and high proficiency levels. However, it is important to then retain what has been attained, even in the absence of continued exposure to the L2—particularly since periods of minimal or no L2 exposure are common. This event-related potential (ERP) study of an artificial language tested performance and neural processing following a substantial period of no exposure. Adults learned to speak and comprehend the artificial language to high proficiency with either explicit, classroom-like, or implicit, immersion-like training, and then underwent several months of no exposure to the language. Surprisingly, proficiency did not decrease during this delay. Instead, it remained unchanged, and there was an increase in native-like neural processing of syntax, as evidenced by several ERP changes— including earlier, more reliable, and more left-lateralized anterior negativities, and more robust P600s, in response to wordorder violations. Moreover, both the explicitly and implicitly trained groups showed increased native-like ERP patterns over the delay, indicating that such changes can hold independently of L2 training type. The results demonstrate that substantial periods with no L2 exposure are not necessarily detrimental. Rather, benefits may ensue from such periods of time even when there is no L2 exposure. Interestingly, both before and after the delay the implicitly trained group showed more native-like processing than the explicitly trained group, indicating that type of training also affects the attainment of nativelike processing in the brain. Overall, the findings may be largely explained by a combination of forgetting and consolidation in declarative and procedural memory, on which L2 grammar learning appears to depend. The study has a range of implications, and suggests a research program with potentially important consequences for second language acquisition and related fields.
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Keyword:
Adulto; Aquisição de segunda língua; Cognição
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URL: http://hdl.handle.net/10183/96859
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O ensino de língua estrangeira por tarefas : um projeto com críticas de filmes
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O ensino de língua estrangeira por tarefas : um projeto com críticas de filmes
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O papel da instrução - explícita e implícita - no ensino : aprendizagem de locuções verbais em inglês
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