Fig. 3From: Donald O. Hebb and the Organization of Behavior: 17 years in the writingThree of the most important influences on Hebb. Karl S. Lashley, Wolfgang Köhler and Rafael Lorente de Nó in 1951. Reprinted from Jeffries, L.A. 1951. Cerebral Mechanisms in Behavior: The Hixon Symposium. New York: John Wiley and Sons. (Frontspiece). Copyright (1951), with permission from John Wiley and SonsBack to article page