Abstract
Lexical development is the changes that occur in vocabulary knowledge. The central role of the lexicon in language and vocabulary development makes it an integral aspect in the study of bilingualism. In recent years, there are many studies on lexical development in bilinguals. By reviewing these related studies, it reveals that the age of acquisition, executive function and early language environment are three significant factors contributing to individual differences in vocabulary growth and lexical development. The primary purpose of this study is to profile lexical development in bilinguals and to examine the effects of age, executive function and early language environment on lexical development. Also, a bilingual advantage for word learning is viewed so as to exam if there is any advantage of bilinguals in lexical development.
Highlights
Factors Influence on Bilingual Lexical DevelopmentOver the last decades, many studies and researches concerning the field of bilinguals have emerged
This paper states that the age of acquisition, executive function and early language environment are three crucial factors contribute to the lexical development in bilinguals
The identified regions in both the frontal and temporal lobes are important for language processing and early language experiences result in individual differences in vocabulary growth and lexical development
Summary
Many studies and researches concerning the field of bilinguals have emerged It indicates that the age of acquisition, executive function and early language environment are three crucial factors affect lexical acquisition and development in bilinguals. Age is a crucial factor in language learning and the age of acquisition plays an important role in lexical development in bilinguals. It’s found that highly proficient late learners showed inhibitory effects of form primes, whereas the less proficient group produced no priming effects of any type (Silverberg and Samuel, 2004) It reveals that the age of L2 acquisition has a major influence on how bilinguals express and acquire words in their second language. Early language experience and living environment is one crucial factor contributing to individual differences in vocabulary growth and lexical development in bilinguals. It indicates that parental language preferences at home were related to children’s linguistic proficiency in both first and second languages
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