by Keith Hautala
Older adults who have spoken two languages since childhood are faster than single-language speakers at switching from one task to another, according to a study conducted at the University of Kentucky College of Medicine.
The study also found that lifelong bilinguals show different patterns of brain activity than their monolingual counterparts when making the switch.
The research was led by Brian Gold, associate professor of anatomy and neurobiology, who specializes in cognitive neuroscience. The article, "Lifelong Bilingualism Maintains Neural Efficiency for Cognitive Control in Aging," was published in the Jan. 9 issue of The Journal of Neuroscience.
As people age, cognitive flexibility — the ability to adapt to unfamiliar or unexpected circumstances — and