This book on recent advances in cerebral palsy is edited by R. S. Illingworth, Professor of Child Health, University of Sheffield, England. He has written three of the 15 chapters, including the classification, incidence, and causation of cerebral palsy; early diagnosis and differential diagnosis; and finally the handicaps of the child with cerebral palsy. There are between 1 and 2 cases of cerebral palsy per 1,000 children of school age in Britain as compared with 1½ to 3 in the United States. The classification used is similar to that of the American Academy of Cerebral Palsy, namely, spasticity, athetosis, ataxia, tremor, and rigidity. Two other forms included by the Academy, but omitted by the author, atonic and mixed, are mentioned in the discussion.
In the use of the term cerebral palsy adults are excluded, but heredofamilial degenerative diseases are included. The last is contrary to the recommendation of the American