This book is a collection of essays by two prominent scientists exploring the connection between mind and body. The authors examine the latest research in neuroscience and physiology, as well as drawing on their own extensive work in the field. The result is a fascinating and thought-provoking analysis of an emerging field of study which has profound implications for our understanding of human nature. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.