Key points are not available for this paper at this time.
The Collaborative Perinatal Project was launched early in 1959 by the National Institute of Neurological Diseases and Blindness (now the National Institute of Neurological Diseases, Communicative Disorders, and Stroke) with the eventual cooperation of 12 separate medical centers throughout the United States. The study's goal was to describe relationships between sensory and neurologic deficits in children, relevant aspects of maternal pregnancy and delivery, and pertinent psychosocial factors. In addition to the systematic collection of anamnestic and physiologic data during the perinatal period, a variety of physical and behavioral evaluations were administered to each child at various times within the first eight years after birth. Examinations related specifically to speech, language, and hearing were conducted at 3 years of age in 19,885 children, at 8 years of age in 20,137 children, and at both ages in 12,464 children (a total of 27,558 different subjects). This book is a detailed report of
Phillip A. Yantis (Mon,) studied this question.