Curse of the Spaun

An artificial brain called Spaun can perform more than one function, like ours, and hesitates and falters like ours. It all sounds a little too close for comfort until one gets to the part about how much time it takes to run a simulation (story and video): http://www.huffingtonpost.com/2012/11/30/artificial-brain-spaun-software-model_n_2217750.html