Synthesized answer
The provided passages do not contain the central thesis of "The Computer and the Brain." The passages only include the title of the book and a description of the edition [1]. Therefore, the central thesis cannot be determined from the given information.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: The computer and the brain by John Von Neumann Description: This second edition has a foreword by Churchland & Churchland (c) 2000