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This is a well written monograph by a man informed by a long series of investigations in the borderline field of experimental psychology and physiology. The title appears somewhat misleading, but in the body of the book are chapters on the refractory phase, behavior, relative fatigue, inhibition and summation, simple behavior patterns, cortical systematization, relationship between the mind and the brain, and mind without brain. This gives a more concrete conception of the material in the monograph than the title of the book. The slants and stresses are necessarily psychologic. Now and then the physician or the physiologist may have difficulty in following the author or appreciating the cogency of the author's discussions, as in the chapter on mind without brain. This title seems an absurdity, except in the sense that all sense receptors as well as all chemical coordinating mechanisms in the body contribute to the sum total of
Conditions and Consequences of Human Variability.. JAMA. 1931;97(13):955. doi:10.1001/jama.1931.02730130059049