Dr. Patton and Dr. Gardner have contributed the first book "especially oriented to the problems of growth disturbance," to the extensive literature on maternal deprivation. Their studies show a marked effect on height-age (from 20% to 65%) and on bone-age (from 20% to 67%). The "weight-ages" were significantly less than height-ages in all cases initially.
The first chapter is devoted to a summary of animal experiments relating to sensory deprivation and its possible relationship to the syndrome of maternal deprivation. The bibliography at the end of the chapter includes 29 references from A Translation of Galen's Hygiene by R. M. Green to Yarrow and Glaser—papers read at the Eastern Regional Conference, Child Welfare League of America, New York, April, 1961. Unfortunately, as the authors state "there are relatively few experimental studies which bear directly on the problem of growth retardation as related either to sensory deprivation or to