by Jason - Color theory, "Four primary colors? Yes, why not? It’s the closest thing to the actual physiology without getting complex." (some pertinent info here http://news.ycombinator.com/item?id=2166494)
"Things that, based on that diagnosis, he should not be able to do, he is doing. I mean, walking up and down the hall, riding a bike, holding a pencil or a pen to work on projects, using scissors."