Multilingualism and verbal short-term/working memory: Evidence from academics

• Autores: Valantis Fyndanis, Sarah Cameron, Pernille Hansen, Monica I. Norvik, Hanne Gram Simonsen
• Localización: Bilingualism: Language and cognition, ISSN 1366-7289, Vol. 26, Nº 3, 2023, págs. 490-503
• Idioma: inglés
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• Resumen

  • To date, the evidence regarding the effect of bilingualism/multilingualism on short-term memory (STM) and working memory (WM) capacity is inconclusive. This study investigates whether multilingualism has a positive effect on the verbal STM and WM capacity of neurotypical middle-aged and older individuals. Eighty-two L1-Norwegian sequential bilingual/multilingual academics were tested with tasks measuring verbal STM/WM capacity. Degree of bilingualism/multilingualism for each participant was estimated based on a comprehensive questionnaire. Different measures of bilingualism/multilingualism were used. Data on potentially influencing non-linguistic factors were also collected. Correlation and regression analyses showed that multilingualism impacts both verbal STM and verbal WM. In particular, all analyses showed that number of known foreign languages was the strongest predictor of verbal STM and WM capacity. The results are discussed in light of recent studies on the impact of bilingualism on STM/WM and on recent proposals regarding the mechanism underlying so-called bilingual advantage.