- He wanted to learn a second language.
(A children joke).
I also find it interesting that researchers see differences in physical brain activity when mono- and bilinguals solve the same problems:
On the problem-solving side, I find that using abstract system-level language instead of a specific engineering or technology jargon helps me and my students approach the problem from a different perspective. I call this language "Inventorese." Maybe it should count as my 5th one :)
Finally, long-held common sense belief on the subject turned out to be wrong:
tags: brain, mind, communications, psychology, creativity, system, five element analysis, health, bias