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Dr. Gesell and his co-workers have devoted a great many years to the study of mental growth during the first five years of life. In this volume the authors have presented a comprehensive description of infant development from a clinical and a diagnostic standpoint.
The first chapters deal with methods of making mental examinations. Test materials are described, and the conduct of an examination is explained. Graphs of developmental sequences and careful descriptions of simple tests for determining a "developmental quotient" (the proportion of normal development attained) with drawings of babies to show the normal response to each test make it easy for any physician to secure the test material and to determine accurately whether a baby is developing normally.
The second part of the volume is concerned with defects and deviations of development. Amentia, birth injury, glandular disturbances, convulsive disorders, prematurity and precocity are discussed. Comments on the part
Developmental Diagnosis.. Am J Dis Child. 1941;62(5):1120. doi:10.1001/archpedi.1941.02000170214020
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