"... construct machines to simulate simple mammalian brains", you fell for it man, marketing does marvels what we are capable of doing is just building a machi

"... construct machines to simulate simple mammalian brains", you fell for it man, marketing does marvels what we are capable of doing is just building a machine with the same number of components (i.e. transistors if you want) as some simple mammalian brains (i.e. neurons), then the guys at wired or discovery channel do their part and tell that "that's an artificial brain"