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首页> 美国卫生研究院文献>Elsevier Sponsored Documents >First language acquisition differs from second language acquisition in prelingually deaf signers: Evidence from sensitivity to grammaticality judgement in British Sign Language
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First language acquisition differs from second language acquisition in prelingually deaf signers: Evidence from sensitivity to grammaticality judgement in British Sign Language

机译：母语聋哑者的母语习得与第二语言习得不同：英国手语对语法判断的敏感性的证据

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摘要

Age of acquisition (AoA) effects have been used to support the notion of a critical period for first language acquisition. In this study, we examine AoA effects in deaf British Sign Language (BSL) users via a grammaticality judgment task. When English reading performance and nonverbal IQ are factored out, results show that accuracy of grammaticality judgement decreases as AoA increases, until around age 8, thus showing the unique effect of AoA on grammatical judgement in early learners. No such effects were found in those who acquired BSL after age 8. These late learners appear to have first language proficiency in English instead, which may have been used to scaffold learning of BSL as a second language later in life.
机译：习得年龄（AoA）效应已被用于支持母语习得关键时期的概念。在这项研究中，我们通过语法判断任务检查了聋人手语（BSL）用户的AoA效果。如果将英语阅读能力和非语言智商考虑在内，结果表明，随着AoA的提高，语法判断的准确性会下降，直到8岁左右，从而显示出AoA对早期学习者的语法判断的独特影响。在8岁以后获得BSL的人中没有发现这种影响。这些晚期学习者似乎具有英语的第一语言熟练程度，这可能被用来支撑BSL在以后的生活中作为第二语言的学习。

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