A Search for the Origins of Human Speech: Auditory and Vocal Functions of the ChimpanzeeHardcover, 28 February 2003

An unrivaled world authority in the area, Shozo Kojima presents a detailed overview of chimpanzees' auditory sense and vocalization and demonstrates how human speech has evolved. Based on unique longitudinal studies over a few decades, Kojima has put together his theories and findings into a single volume, making them available to an international readership for the first time. This book is a joint publication with Kyoto University Press.