Older adults who were bilingual seemed to experience a delayed onset of symptoms of Alzheimer's disease compared to monolingual older adults,possibly due to ____.
A)changes in brain structure
B)increased levels of dopamine
C)decreased levels of acetylcholine
D)the presence of a "cognitive reserve"

Question

Quizplus · Accepted Answer

The delayed onset of symptoms in bilingual older adults is thought to be due to the presence of a "cognitive reserve," which is a result of the brain's ability to compensate for age-related declines in cognitive function through increased neural connections and alternate strategies. Bilingualism is one factor that has been found to contribute to the development of a cognitive reserve in older adults. Changes in brain structure and neurotransmitter levels have not been definitively linked to this effect.

Older Adults Who Were Bilingual Seemed to Experience a Delayed