Even more interesting than that, the studies quoted in the article claim that aptitude isn't the only factor in the ability to learn multiple languages.
"It's often assumed that individuals who've learned multiple languages simply have a natural aptitude for learning languages," said Viorica Marian, associate professor of communication sciences and disorders at Northwestern University (NU).
"While that is true in some cases, our research shows that the experience of becoming bilingual itself makes learning a new language easier," said Marian.
I have a friend who speaks something like four or five languages. I think I'll give Ann a call and see if she'll talk to us. Do you speak several languages? Do you think doing so has expanded your brain power? Talk to us.