Pathological switching and mixing in bi-/multi-lingual speakers with acquired language disorders

Abstract

Event Abstract Back to Event Pathological switching and mixing in bi-/multi-lingual speakers with acquired language disorders Anthony Pak Hin Kong1* 1 University of Central Florida, United States Code switching and code mixing in bilingual speakers refers to the inter-phrasal and intra-phrasal language changing behaviors, respectively (Ritchie & Bhatia, 1996, 2005). Both mechanisms of language use are part of behavior selection coordination involved in the frontal lobe system (Paradis, 1993). Voluntary language switching in healthy unimpaired adults is considered an instance of task switching because of its involvement of, at a minimum, a shift between different stimulus-response sets (Kong, Abutalebi, Lam, & Weekes, 2014). The capability of bi-/multi-lingual speakers to separate their languages and use each language in appropriate contexts is often compromised by cerebral lesions, resulting in pathological language switching and mixing symptoms that are typically involuntary and uncontrolled. Malfunctioned language control that separates the languages of a bi-/multi-lingual speaker during production is, therefore, indicative of deficits in executive function that are controlled by the frontal cortex. This presentation, as a part of the symposium in ‘Bilingualism and cognitive control,’ will start with a review of studies reporting pathological language switching and mixing in bi-/multi-lingual aphasia. Although the majority of existing investigations tended to conclude pathological mixing (that typically occurs in bi-/multi-lingual aphasia) is dependent of language mechanisms, some reports have claimed the opposite for pathological switching. Multiple case studies that examined bi-/multi-lingual confrontation naming, discourse production, and/or conversation among bilingual speakers with aphasia and traumatic brain injury will then be reported. Specifically, these examinations involved the use of quantitative and qualitative analysis of code switching and mixing behaviors (e.g., Kong et al., 2014) and struggle ratio, as well as monitoring of parallel recovery in executive functions (and other related cognitive functions) with reduced proportion of pathological switching and mixing symptoms in spontaneous oral discourse production (e.g., Kong & Whiteside, 2015). The above findings echoed and provided further empirical evidence on the notion that pathological code switching is attributed to impairment in executive control. References Kong, A. P. H., Abutalebi, J., Lam, K. S. Y., & Weekes, W. (2014). Executive and language control in the multilingual brain. Behavioural Neurology, 2014, 1- 7. doi: 10.1155/2014/527951 Kong, A.P.H., & Whiteside, J. (2015). Early recovery of a multi-lingual speaker with aphasia using Cantonese and English. Speech, Language and Hearing, 18(3), 133-139. doi: 10.1179/2050572814Y.0000000059 Paradis, M. (1995). Aspects of bilingual aphasia. Oxford, UK: Pergamon Press. Ritchie, W. C., & Bhatia, T. K. (1996). Handbook of second language acquisition. San Diego, CA: Academic Press. Ritchie, W. C., & Bhatia, T. K. (2005). Handbook of bilingualism: Psycholinguistic approaches. Oxford, UK: Oxford University Press. Keywords: bilingualism, Multilingualism, Aphasia, Traumatic brain injury (TBI), code switching, code mixing Conference: 54th Annual Academy of Aphasia Meeting, Llandudno, United Kingdom, 16 Oct - 18 Oct, 2016. Presentation Type: Symposium Topic: Academy of Aphasia Citation: Kong A (2016). Pathological switching and mixing in bi-/multi-lingual speakers with acquired language disorders . Front. Psychol. Conference Abstract: 54th Annual Academy of Aphasia Meeting. doi: 10.3389/conf.fpsyg.2016.68.00088 Copyright: The abstracts in this collection have not been subject to any Frontiers peer review or checks, and are not endorsed by Frontiers. They are made available through the Frontiers publishing platform as a service to conference organizers and presenters. The copyright in the individual abstracts is owned by the author of each abstract or his/her employer unless otherwise stated. Each abstract, as well as the collection of abstracts, are published under a Creative Commons CC-BY 4.0 (attribution) licence (https://creativecommons.org/licenses/by/4.0/) and may thus be reproduced, translated, adapted and be the subject of derivative works provided the authors and Frontiers are attributed. For Frontiers’ terms and conditions please see https://www.frontiersin.org/legal/terms-and-conditions. Received: 29 Apr 2016; Published Online: 15 Aug 2016. * Correspondence: Dr. Anthony Pak Hin Kong, University of Central Florida, Orlando, United States, akong@hku.hk Login Required This action requires you to be registered with Frontiers and logged in. To register or login click here. Abstract Info Abstract The Authors in Frontiers Anthony Pak Hin Kong Google Anthony Pak Hin Kong Google Scholar Anthony Pak Hin Kong PubMed Anthony Pak Hin Kong Related Article in Frontiers Google Scholar PubMed Abstract Close Back to top Javascript is disabled. Please enable Javascript in your browser settings in order to see all the content on this page.