I first heard of Dr. Jill Bolte Taylor during an interview on Fresh Air, it is a great conversation (Listen to the interview, not just the text, it is more in depth than the TED talk you see here). Thanks to my friend Mariflora for bringing the TED link to my attention. How often do we get the emic on such a matter? Well worth watching and forming your own ideas from.
Her very interesting TED talk: