A guide for anybody with a keen interest in the workings of the human brain.This book shows the historical development of the subject from the very beginning, and it contains most of the important facts which the author has discovered. The story of Pavlov’s dog being conditioned to drool is well known and has entered the common lexicon, this book is where that study was first published. The book is complete with charts, illustrations and diagrams. In addition, this set contains five new chapters from the Author besides those of the Russian edition from which the translation was made. It includes explanatory footnotes, and even a biographical sketch by W. Horsley Gantt.