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When the tail counts: the advantage of bilingualism through the ex-gaussian distribution analysis
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| 23 |
Language deterioration in bilingual Alzheimer's disease patients: A longitudinal study
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Calabria, Marco; Cattaneo, Gabriele, 1984-; Marne, Paula; Hernández Pardo, Mireia; Juncadella, Montserrat; Gascón-Bayarri, Jordi; Sala, Isabel; Lleó, Alberto; Ortiz-Gil, Jordi; Ugas, Lidia; Blesa, Rafael; Reñé, Ramón; Costa, Albert, 1970-. - : Elsevier
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Abstract:
In the context of bilingual research, little is known about the effects of neurodegenerative disorders (NDs) on the processing of two languages in a bilingual. In a recent cross-sectional study, we showed that Mild Cognitive Impairment (MCI) and Alzheimer's disease (AD) had similar effects on lexico-semantic processes in the two languages of highly proficient bilinguals (Costa et al., Neuropsychologia, 2012, 50, 740–53). In the present longitudinal study, we extend this finding by looking at the pattern of language deterioration over time in the same population of Catalan-Spanish bilingual patients. All the participants completed three language-processing tasks (picture naming, word translation and word comprehension), both in their dominant (L1) and non-dominant (L2) language. At one year, the final group was made up of 50 patients: 15 with MCI and 35 with AD. For AD but not MCI, the language deterioration over time was the same in both languages, as previously reported in the cross-sectional study. The results are discussed in the frame of the hypothesis of shared lexico-semantic processing in highly proficient bilinguals and the influence of executive control deficits in language production. ; This work was supported by grants from the Spanish Government (PSI2008-01191, PSI2011-23033, PSI2014-52210-P, Consolider Ingenio 2010CSD2007-00048), Catalan Government (2014SGR1210), La Marató-TVE Foundation (20141030-31) and European Research Council under the European Community's Seventh Framework (FP7/2007–2013 Cooperation grant agreement 613465-AThEME). MC was supported by a Ramón y Cajal postdoctoral fellowship from the Spanish Government. MH was supported by the postdoctoral fellowship ‘Formación Posdoctoral’ within the Spanish Government program ‘Programa Estatal de Promoción del Talento y su Empleabilidad del Plan Estatal de Investigación Científica y Técnica y de Innovación 2013–2016’.
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Keyword:
Alzheimer's disease; Bilingualism; Language deterioration
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URL: https://doi.org/10.1016/j.jneuroling.2016.06.005
http://hdl.handle.net/10230/35298
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A Cross-sectional and longitudinal study on the protective effect of bilingualism against dementia using brain atrophy and cognitive measures
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Voluntary language switching in the context of bilingual aphasia
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The role of executive control in bilingual language production: a study with Parkinson's disease individuals
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| 29 |
On the reliability of switching costs across time and domains
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| 30 |
Language reconfiguration in bilinguals: a study with Huntington’s disease patients
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On the overlap between bilingual language control and domain-general executive control
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On the overlap between bilingual language control and domain-general executive control
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Qualitative differences between bilingual language control and executive control: evidence from task-switching
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