First language acquisition differs from second language acquisition in prelingually deaf signers: evidence from sensitivity to grammaticality judgement in British Sign Language.

Cognition
Kearsy CormierEleni Orfanidou

Abstract

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.

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Citations

Apr 2, 2014·Journal of Deaf Studies and Deaf Education·Pasquale RinaldiVirginia Volterra
Aug 15, 2013·Behavior Research Methods·Rachel I MayberryMeghan Zvaigzne
Jan 13, 2016·Journal of Deaf Studies and Deaf Education·Marc MarscharkAlexandra Trani
Jun 27, 2015·Current Opinion in Neurobiology·Naama Friedmann, Dana Rusou
Aug 8, 2015·Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists·Joanna AtkinsonBencie Woll
Sep 25, 2015·Deafness & Education International : the Journal of the British Association of Teachers of the Deaf·Helen C Blom, Marc Marschark
Mar 19, 2015·PloS One·Matthew L HallRachel I Mayberry
Jun 30, 2016·Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists·Tanya DenmarkJoanna Atkinson
Dec 25, 2016·Cochlear Implants International·Helen BlomElizabeth Machmer
Oct 3, 2017·Cerebral Cortex·Velia CardinJerker Rönnberg
Jul 10, 2018·Journal of Deaf Studies and Deaf Education·Pasquale RinaldiVirginia Volterra
Jan 16, 2019·Bilingualism : Language and Cognition·Rachel I Mayberry, Robert Kluender
Mar 28, 2019·Frontiers in Psychology·Josep Quer, Markus Steinbach
Feb 7, 2018·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Rachel I MayberryEric Halgren
Nov 8, 2019·Brain and Language·Evie A MalaiaRonnie B Wilbur

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Methods Mentioned

BETA
SMA
cochlear implants

Software Mentioned

Windows XP
DMDX

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