Arianna is perfectly fluent in English and French. Research has shown that such balanced proficiency in two languages
A) can accelerate the onset of Alzheimer's disease by four or five years.
B) decreases control over attention and lowers the ability to switch attention to new stimuli when needed.
C) helps build up a cognitive reserve that can protect against cognitive decline in late adulthood.
D) may result in delayed language development, learning problems, and lower intelligence.

Question

Quizplus · Accepted Answer

Research has shown that balanced bilingualism, where both languages are used regularly and with equal proficiency, can lead to a cognitive reserve that protects against cognitive decline in late adulthood. It is associated with better executive function, higher attention control, and cognitive flexibility. There is no evidence supporting the other options (A, B, and D).

Arianna Is Perfectly Fluent in English and French