Philip is perfectly fluent in English and French. Research has shown that such balanced proficiency in two languages helps build up a cognitive reserve that can protect against cognitive decline in late adulthood.

Question

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Research has indeed shown that balanced proficiency in two languages can help build up cognitive reserve, which may offer protection against cognitive decline in late adulthood. Studies have demonstrated that bilingualism enhances cognitive control, attention, and working memory, as well as other cognitive functions such as executive functioning and creativity. These benefits of bilingualism may be attributed to the fact that the brain has to constantly regulate and switch between two language systems, which provides a form of mental exercise that can potentially slow down the cognitive aging process.

Philip Is Perfectly Fluent in English and French