It is apparent to a casual observer that children with spastic paralysis are unusually reactive to any startling auditory stimulus. This study was undertaken in an attempt at a quantitative investigation of differences between normal children and children with spastic paralysis in motor stability and in the ability to adapt to a sudden auditory stimulus, with a view to correlating the findings with the symptoms and signs exhibited by the children with spastic paralysis.
SOURCE OF SUBJECTS
The paralytic children were tested at the Spalding School for crippled children through the permission of the board of education and the cooperation of Miss Thecla Doniat, principal. Only children with intelligence quotients above 50 were included in the study. The children came from the elementary grades and from some of the special divisions. There were no high school pupils. The ages ranged from 9 to 20, the majority of the children being