I meant to post this on Wednesday, but alas, it slipped through. On the topic of left brain vs. right brain, check out this oldie but goodie article from February 2005, written by none other than Daniel Pink, whose book Drive I am now reading.
I discovered this article when I was in grad school. And while the dichotomy of an engineer-turned-designer is always interesting, I was more enamoured of the illustration. (above)