In the new edition of this original and penetrating book, John D. Greenwood provides an in-depth analysis of the subtle conceptual continuities and discontinuities that inform the history of psychology from the speculations of the Ancient Greeks to contemporary cognitive psychology. He also demonstrates the fashion in which different conceptions of human and animal psychology and behavior have become associated and disassociated over the centuries. Moving easily among psychology, history of science, physiology, and philosophy, Greenwood provides a critically challenging account of the...