1.
The issue Fodor writes about is central to the psychology of perception, cognition, and action. It is the central issue for anyone who would seriously study the neurobiology of behavior: Is the mind organized horizontally or vertically or both, and what are the consequences to psychology of proceeding on one assumption or the other? This has been little analyzed and written about. Jerry Fodor has repaired that omission and had done it brilliantly.
Alvin Liberman