In a review of heredity v environment theories, the author concludes that no individual, regardless of potential, can approach the full development of his or her abilities without exposure to an enriched environment. (Editor/SJL)

This report contains national estimates of the prevalence of selected congenital and early development health problems. It describes the relationship of selected aspects of family background, infant health status, and early developmental history to the intellectual development and maturity of noninstitutionalized children 6-11 years of age in the…

The growth model of intelligence; i.e. intelligence is the product of genetics plus environment (I.Q.=G+E), is discussed and questioned. If the growth model is discarded, formulating the problem of the development of intelligence in different ways and thinking of different possible technologies for changing intelligence can begin. The child…

Twenty children with attention deficit hyperactivity disorder (ADHD) and low IQs were followed up 4.5 years later (ages 8-20). A majority continued to screen positive for ADHD, as well as display high rates of comorbid anxiety disorders, tics, and elimination disorders. Multiple medication trials resulted in significantly lower hyperactivity…

A study of very low birth weight babies with (n=89) and without (n=71) bronchopulmonary dysplasia (BPD) and term controls was conducted at age 8. The BPD group demonstrated reduced articulation, receptive language skills, performance IQ, and gross and fine motor skills, and almost half were enrolled in speech-language therapy. (Contains…

To differentiate between educationally subnormal students who do and who do not respond well to special school education, 161 children attending special classes in South Wales were studies. The first (the E-) group consisted of 47 children (mean IQ 55) found unsuitable for special school education. The second (the S-) group included 57 children…