Plasticity, Variability and Age in Second Language Acquisition and Bilingualism

Much of what is known about the outcome of second language acquisition and bilingualism can be summarized in terms of inter-individual variability, plasticity and age. The present review looks at variability and plasticity with respect to their underlying sources, and at age as a modulating factor i...

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Main Author: David Birdsong
Format: Article
Language:English
Published: Frontiers Media S.A. 2018-03-01
Series:Frontiers in Psychology
Subjects:
Online Access:http://journal.frontiersin.org/article/10.3389/fpsyg.2018.00081/full
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author David Birdsong
author_facet David Birdsong
author_sort David Birdsong
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description Much of what is known about the outcome of second language acquisition and bilingualism can be summarized in terms of inter-individual variability, plasticity and age. The present review looks at variability and plasticity with respect to their underlying sources, and at age as a modulating factor in variability and plasticity. In this context we consider critical period effects vs. bilingualism effects, early and late bilingualism, nativelike and non-nativelike L2 attainment, cognitive aging, individual differences in learning, and linguistic dominance in bilingualism. Non-uniformity is an inherent characteristic of both early and late bilingualism. This review shows how plasticity and age connect with biological and experiential sources of variability, and underscores the value of research that reveals and explains variability. In these ways the review suggests how plasticity, variability and age conspire to frame fundamental research issues in L2 acquisition and bilingualism, and provides points of reference for discussion of the present Frontiers in Psychology Research Topic.
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spelling doaj.art-6e2d8df786684481a0e2dbf0fdf2f08e2022-12-22T01:15:47ZengFrontiers Media S.A.Frontiers in Psychology1664-10782018-03-01910.3389/fpsyg.2018.00081297097Plasticity, Variability and Age in Second Language Acquisition and BilingualismDavid BirdsongMuch of what is known about the outcome of second language acquisition and bilingualism can be summarized in terms of inter-individual variability, plasticity and age. The present review looks at variability and plasticity with respect to their underlying sources, and at age as a modulating factor in variability and plasticity. In this context we consider critical period effects vs. bilingualism effects, early and late bilingualism, nativelike and non-nativelike L2 attainment, cognitive aging, individual differences in learning, and linguistic dominance in bilingualism. Non-uniformity is an inherent characteristic of both early and late bilingualism. This review shows how plasticity and age connect with biological and experiential sources of variability, and underscores the value of research that reveals and explains variability. In these ways the review suggests how plasticity, variability and age conspire to frame fundamental research issues in L2 acquisition and bilingualism, and provides points of reference for discussion of the present Frontiers in Psychology Research Topic.http://journal.frontiersin.org/article/10.3389/fpsyg.2018.00081/fullsecond language acquisitionbilingualismplasticity and learningvariabilityage factorsindividual differences
spellingShingle David Birdsong
Plasticity, Variability and Age in Second Language Acquisition and Bilingualism
Frontiers in Psychology
second language acquisition
bilingualism
plasticity and learning
variability
age factors
individual differences
title Plasticity, Variability and Age in Second Language Acquisition and Bilingualism
title_full Plasticity, Variability and Age in Second Language Acquisition and Bilingualism
title_fullStr Plasticity, Variability and Age in Second Language Acquisition and Bilingualism
title_full_unstemmed Plasticity, Variability and Age in Second Language Acquisition and Bilingualism
title_short Plasticity, Variability and Age in Second Language Acquisition and Bilingualism
title_sort plasticity variability and age in second language acquisition and bilingualism
topic second language acquisition
bilingualism
plasticity and learning
variability
age factors
individual differences
url http://journal.frontiersin.org/article/10.3389/fpsyg.2018.00081/full
work_keys_str_mv AT davidbirdsong plasticityvariabilityandageinsecondlanguageacquisitionandbilingualism