Last week, we waded into the best of TED debate. What's the best TED Talk out there? It's hard to say. Purely subjective. But we can say one thing. Jill Bolte Taylor’s "Stroke of Insight" talk reaches the top of many lists. What happens when a neuroanatomist experiences a massive stroke and feels all the brain functions she has studied (speech, movement, understanding, etc) suddenly start to slip away? And how do these losses fundamentally change who we are? You'll find out in a crisp (and at times emotional) 18 minutes and 40 seconds. You can also read her book that elaborates on her life-altering experience. See My Stroke of Insight: A Brain Scientist's Personal Journey.