The brain is the organ of knowledge and organizer of our abilities, our means of recognizing a face in a crowd, of conversing about anything we experience or imagine, of forming thoughts and developing ideas, of instantly understanding words coming rapidly in conversation. How does it manage all this? Does it represent information in symbols or in the connectivity of a vast network?Pathways of the Brain builds a theory to answer such questions. Using a top-down modeling strategy, it charts relationships among words and other products of the brain's linguistic system to reveal properties