1. Early Stirrings -------------------------------------------------------1
2. The Intelligence of Perception (i) -----------------------------13
3. The Intelligence of Perception (ii) ----------------------------37
4. Two and Two Together -----------------------------------------54
5. The Past in the Present ------------------------------------------80
6. The Images of Thought ------------------------------------------97
7. Concepts Take Shape -------------------------------------------116
8. Pictures, Symbols, and Signs ----------------------------------135
9. What Abstraction Is Not ---------------------------------------153
10. What Abstraction Is -------------------------------------------153
11. With Feet on the Ground --------------------------------------188
12. Thinking With Pure Shapes ---------------------------------208
13. Words in Their Place ------------------------------------------226
14. Art and Thought -----------------------------------------------254
15. Models for Theory --------------------------------------------274
16. Vision in Education -------------------------------------------294
Notes -----------------------------------------------------------------317
Bibliography --------------------------------------------------------325
Index -----------------------------------------------------------------339