Voits, Toms;
Pliatsikas, Christos;
Robson, Holly;
Rothman, Jason;
(2020)
Beyond Alzheimer's disease: Can bilingualism be a more generalized protective factor in neurodegeneration?
Neuropsychologia
, 147
, Article 107593. 10.1016/j.neuropsychologia.2020.107593.
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Abstract
Bilingualism has been argued to have an impact on cognition and brain structure. Effects have been reported across the lifespan: from healthy children to ageing adults, including clinical (ageing) populations. It has been argued that active bilingualism may significantly contribute to the delaying of the expression of Alzheimer's disease symptoms. If bilingualism plays an ameliorative role against the expression of neurodegeneration in dementia, it is possible that it could have similar effects for other neurodegenerative disorders, including Multiple Sclerosis, Parkinson's and Huntington's Diseases. To date, however, direct relevant evidence remains limited, not least because the necessary scientific motivations for investigating this with greater depth have not yet been fully articulated. Herein, we provide a roadmap that reviews the relevant literatures, highlighting potential links across neurodegenerative disorders and bilingualism more generally.
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