Despite the widespread use of psychophysiological concepts and meth ods in behavior therapy, there is no text devoted specifically to the subject. The publication of this book is necessary and timely, and should promote a better appreciation of the physiological roots of behavior therapy. The important connections between physiology and behavior thera py receive insufficient recognition nowadays, despite the fact that his torically one of the two main streams of behavior therapy grew out of a physiological basis. Wolpe's early work was closely connected to phys iology, and in contemporary...