Contents:

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