Barsalou’s elision of the personal and sub-personal levels tends to conceal the fact that he is, at best, providing the “specs” but not yet a model for his hypothesized perceptual symbols. John Maynard Keynes was once asked if he thought in words or pictures. “I think in thoughts,” the great man is reported to have replied. Fair enough, but now what? What kind of things are thoughts, and how do...