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Bilingualism and Aging: Implications for (Delaying) Neurocognitive Decline
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In: Front Hum Neurosci (2022)
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The cognitive and neurological effects of bilingualism on the progression of dementia: a longitudinal study ...
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Bilingualism is a long-term cognitively challenging experience that modulates metabolite concentrations in the healthy brain
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In: Scientific Reports ; 11 (2021). - 7090. - Springer Nature. - eISSN 2045-2322 (2021)
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The cognitive and neurological effects of bilingualism on healthy ageing and the progression of dementia: a longitudinal study ...
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Abstract:
Recent evidence has shown that speaking more than one language impacts bilinguals’ cognitive processes and brain architecture. Current literature suggests that bilingualism has a significant and well-pronounced effect in older age - cognitive abilities are better preserved (Bialystok et al.,2012), and brain structures maintain their integrity for longer (Luk et al.,2011). It has even been suggested that bilingual individuals experience clinical symptoms of dementia at least 4 years later than monolinguals (Alladi et al.,2013). Bilinguals also exhibit better cognitive functioning at higher levels of dementia-related brain atrophy than monolinguals, which suggests a higher 'cognitive reserve' in bilingual patients (Schweizer et al.,2011) and has been attributed to protection of executive control circuits (Gold,2015). However, these claims remain controversial (Zahodne et al.,2014), the literature does not provide a direct brain- behaviour link, nor is there any longitudinal evidence linking bilingualism to the ...
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URL: https://osf.io/u6c7t/
https://dx.doi.org/10.17605/osf.io/u6c7t
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