Bilingualism leads to greater auditory capacity.

Bilingualism leads to greater auditory capacity.

Int J Audiol. 2018 Nov;57(11):831-837

Authors: Motlagh Zadeh L, Jalilvand Karimi L, Silbert NH

Abstract
The objective of this article is to investigate the effects of bilingualism on auditory capacity of young adults using a dichotic consonant-vowel (CV) test. Listeners were asked to identify distinct CVs dichotically presented to each ear through headphones. CV identification accuracy in both ears served as a measure of auditory capacity of listeners. Eighty normal hearing participants including 40 bilinguals (23 males and 17 females) and 40 monolinguals (11 males and 29 females) were used as study sample. Members of the bilingual group acquired their second language before entering elementary school. The bilingual listeners had higher mean both-ear-correct scores than did monolingual listeners, indicating a greater auditory capacity in the bilingual group than in the monolingual group. The finding of greater auditory capacity in bilinguals using a task requiring divided attention reflects greater ability to store and recall auditory information in bilinguals. However, the inconsistency of results across studies of bilingual advantages indicates that there is a need for further research in this area using both linguistic and non-linguistic tasks and considering age of acquisition as a possible moderating variable.

PMID: 30403921 [PubMed - in process]

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