During the last three years we have studied 132 cases in which the diagnosis of infantile cerebral paralysis was made. Included in this group of cases are so-called congenital spastics, cases of spasticity resulting from arrested hydrocephalus, hemiplegias of childhood, etc. An effort has been made to determine as far as possible the etiological factors causing the condition. As a practical working basis, we have attempted a simple grouping of the clinical types encountered, independent of the etiology. A few simple considerations have been adhered to in the selection of those cases which seemed suitable for treatment, and these cases have been handled consistently, according to a preconceived plan embodying certain fundamental principles.
In order to determine the etiological factors, an effort has been made to learn as far as possible the condition of the mother's health during the pregnancy, the details of the birth, the condition of the child