Voluntary language switching in the context of bilingual aphasia
Grunden, Nicholas (Universitat Pompeu Fabra)
Piazza, Giorgio (Basque Center on Cognition)
García-Sánchez, Carmen (Institut d'Investigació Biomèdica Sant Pau)
Calabria, Marco (Universitat Oberta de Catalunya)
Universitat Autònoma de Barcelona

Data:	2020
Resum:	As studies of bilingual language control (BLC) seek to explore the underpinnings of bilinguals' abilities to juggle two languages, different types of language switching tasks have been used to uncover switching and mixing effects and thereby reveal what proactive and reactive control mechanisms are involved in language switching. Voluntary language switching tasks, where a bilingual participant can switch freely between their languages while naming, are being utilized more often due to their greater ecological validity compared to cued switching paradigms. Because this type of task had not yet been applied to language switching in bilingual patients, our study sought to explore voluntary switching in bilinguals with aphasia (BWAs) as well as in healthy bilinguals. In Experiment 1, we replicated previously reported results of switch costs and mixing benefits within our own bilingual population of Catalan-Spanish bilinguals. With Experiment 2, we compared both the performances of BWAs as a group and as individuals against control group performance. Results illustrated a complex picture of language control abilities, indicating varying degrees of association and dissociation between factors of BLC. Given the diversity of impairments in BWAs' language control mechanisms, we highlight the need to examine BLC at the individual level and through the lens of theoretical cognitive control frameworks in order to further parse out how bilinguals regulate their language switching.
Ajuts:	Ministerio de Economía y Competitividad RYC-2013-14013 Agencia Estatal de Investigación PSI2017-87784-R
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Bilingual aphasia ; Bilingual language control ; Proactive control ; Reactive control ; Voluntary language switching
Publicat a:	Behavioral sciences, Vol. 10 Núm. 9 (september 2020) , p. 141, ISSN 2076-328X

DOI: 10.3390/bs10090141
PMID: 32962153

23 p, 1.3 MB

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