A Foster-Grandparent Program group received part-time mothering'' by elderly institutional aids for a period of up to more than 4 years. A control group resided in a similar institution which did not provide supplementary foster grandparent'' care. There was a significant difference in IQ in favor of the FGP children. (Author)

A four-and-a-half-year longitudinal experiment reconsidered the contribution of organic impairment to the genesis of mild mental retardation among disadvantaged children. It was hypothesized that nonoptimal perinatal conditions might result in deficits that increase a child's vulnerability to environmental risk factors. Study results supported the…

Infants' visual recognition memory (VRM) at seven months was associated with their general intelligence, language proficiency, reading and quantitative skills, and perceptual organization at six years. Infants' VRM, object permanence, and cross-modal transfer of perceptions at one year were related to their IQ and several outcomes at six years.…