Linguistic distance affects executive performance in trilinguals

Recent research has highlighted potential benefits associated with bilingualism for overall cognitive efficiency and health. One understudied dimension of the bilingual experience is linguistic distance (LD), a measure defining how (dis)similar two given languages are. The previous study has explore...

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Main Authors: M. Nelyubina, A. Myachykov, J. Abutalebi, Y. Shtyrov, F. Gallo
Format: Article
Language:English
Published: Elsevier 2025-09-01
Series:Acta Psychologica
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Online Access:http://www.sciencedirect.com/science/article/pii/S000169182500589X
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author M. Nelyubina
A. Myachykov
J. Abutalebi
Y. Shtyrov
F. Gallo
author_facet M. Nelyubina
A. Myachykov
J. Abutalebi
Y. Shtyrov
F. Gallo
author_sort M. Nelyubina
collection DOAJ
description Recent research has highlighted potential benefits associated with bilingualism for overall cognitive efficiency and health. One understudied dimension of the bilingual experience is linguistic distance (LD), a measure defining how (dis)similar two given languages are. The previous study has explored the role of LD as a modulator of bilingualism-induced neurocognitive consequences in aging individuals. However, this has scarcely been investigated in young populations. To fill this gap, we examined the impact of LD between second and third language on executive functioning - as indexed by Flanker task performance - in a cohort of young adults (18–29 years old). The results show that L2-L3 LD dynamically modulates multilingualism-induced effects on inhibitory executive control performance in young trilinguals, with a pattern of LD contribution to executive functioning characterized by a two-stage trajectory. In the early stages of multilingual experience, distant non-native languages are associated with maximal cognitive benefits, expressed in faster Flanker reaction times, and explained by a larger cognitive effort in acquiring a distant language. However, as multilingual experience accrues, closer language pairs predict enhanced cognitive processing, likely driven by the more demanding effort of juggling more similar lexicons and grammars.
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spelling doaj-art-db8013cc38a7434e897c1888484458c32025-07-19T04:37:45ZengElsevierActa Psychologica0001-69182025-09-01259105276Linguistic distance affects executive performance in trilingualsM. Nelyubina0A. Myachykov1J. Abutalebi2Y. Shtyrov3F. Gallo4Cognitive Health and Intelligence Centre (CHIC), Institute for Cognitive Neuroscience, HSE University, Moscow, Russian Federation; Centre for Cognitive and Brain Sciences, University of Macau, Taipa, Macau SAR, China; Corresponding author at: Cognitive Health and Intelligence Centre (CHIC), Institute for Cognitive Neuroscience, HSE University, Moscow, Russian Federation.Cognitive Health and Intelligence Centre (CHIC), Institute for Cognitive Neuroscience, HSE University, Moscow, Russian Federation; Centre for Cognitive and Brain Sciences, University of Macau, Taipa, Macau SAR, ChinaCognitive Health and Intelligence Centre (CHIC), Institute for Cognitive Neuroscience, HSE University, Moscow, Russian Federation; Centre for Neurolinguistics and Psycholinguistics, Vita-Salute San Raffaele University, Milan, Italy; Psycholinguistics of Language Representation (PoLaR) Lab, Center for Language, Brain and Learning (C-LaBL), UiT-The Arctic University of Norway, Tromsø, NorwayCognitive Health and Intelligence Centre (CHIC), Institute for Cognitive Neuroscience, HSE University, Moscow, Russian Federation; Center of Functionally Integrative Neuroscience, Aarhus University, Aarhus, DenmarkCognitive Health and Intelligence Centre (CHIC), Institute for Cognitive Neuroscience, HSE University, Moscow, Russian Federation; Psycholinguistics of Language Representation (PoLaR) Lab, Center for Language, Brain and Learning (C-LaBL), UiT-The Arctic University of Norway, Tromsø, NorwayRecent research has highlighted potential benefits associated with bilingualism for overall cognitive efficiency and health. One understudied dimension of the bilingual experience is linguistic distance (LD), a measure defining how (dis)similar two given languages are. The previous study has explored the role of LD as a modulator of bilingualism-induced neurocognitive consequences in aging individuals. However, this has scarcely been investigated in young populations. To fill this gap, we examined the impact of LD between second and third language on executive functioning - as indexed by Flanker task performance - in a cohort of young adults (18–29 years old). The results show that L2-L3 LD dynamically modulates multilingualism-induced effects on inhibitory executive control performance in young trilinguals, with a pattern of LD contribution to executive functioning characterized by a two-stage trajectory. In the early stages of multilingual experience, distant non-native languages are associated with maximal cognitive benefits, expressed in faster Flanker reaction times, and explained by a larger cognitive effort in acquiring a distant language. However, as multilingual experience accrues, closer language pairs predict enhanced cognitive processing, likely driven by the more demanding effort of juggling more similar lexicons and grammars.http://www.sciencedirect.com/science/article/pii/S000169182500589XBilingualismMultilingualismLinguistic distanceExecutive functions
spellingShingle M. Nelyubina
A. Myachykov
J. Abutalebi
Y. Shtyrov
F. Gallo
Linguistic distance affects executive performance in trilinguals
Acta Psychologica
Bilingualism
Multilingualism
Linguistic distance
Executive functions
title Linguistic distance affects executive performance in trilinguals
title_full Linguistic distance affects executive performance in trilinguals
title_fullStr Linguistic distance affects executive performance in trilinguals
title_full_unstemmed Linguistic distance affects executive performance in trilinguals
title_short Linguistic distance affects executive performance in trilinguals
title_sort linguistic distance affects executive performance in trilinguals
topic Bilingualism
Multilingualism
Linguistic distance
Executive functions
url http://www.sciencedirect.com/science/article/pii/S000169182500589X
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AT jabutalebi linguisticdistanceaffectsexecutiveperformanceintrilinguals
AT yshtyrov linguisticdistanceaffectsexecutiveperformanceintrilinguals
AT fgallo linguisticdistanceaffectsexecutiveperformanceintrilinguals