The computational theory of mind is not the same thing as the disregarded “computer metaphor.” As many critics have pointed out, computers are ______, doing one thing at a time; brains are parallel, doing millions of things at once. Computers are fast; brains are slow. Computer parts are reliable; brain parts are noisy. Computers have a limited number of connections; brains have trillions. Computers are assembled according to a blueprint; brains must assemble themselves.