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This book purports to be based on the authors' clinical observations of infants and young children. Some of the actual observations presented in chapters 3 and 4 on the development of sensorimotor activities are of interest; e. g., responses to pain appear earlier in the anterior (upper) end of the body, and develop more rapidly than those in the posterior (lower) parts. The majority of infants below 20 hours of age are unable to make a perfectly coordinated defensive movement of the two arms and hands. Infants as old as 320 hours (somewhat over 13 days), however, are still unable to make an immediate perfectly coordinated defense reaction of the two arms. Chapter 5 is valuable because attention is drawn to the fact that the evaluation of a child's emotional response to a situation is usually in terms of the observer's response to the situation. Such clinical material is of
The Process of Human Behavior.. Arch NeurPsych. 1933;30(1):241-242. doi:10.1001/archneurpsyc.1933.02240130249022