Paper, revised for publication, presented at a Symposium on Heredity and Environment (AERA, New York City, Feb. 16, 1967)

Because disadvantaged children have usually experienced sensory-cognitive deprivation or distortion, it is necessary to discover ways to offset this deficit. A program is being conducted to learn to what degree the introduction of systematic programing, while motivation techniques are retained, can reorient essentially noncognitive learning styles…

Studies of the effect of environmental stimulation on an individual's development in either general or specific ability conclude that some specific stimulation should be introduced at an early age while a child is still malleable. An intense, persistent, and regular tutorial approach within the family encourages the development of a special talent…

What data, problems, and concepts are most relevant in determining the role of stimulation in human development? A critical analysis of the relationships between long term stimulation, behavior, and cognitive functioning and development points up biases and gaps in past as well as contemporary approaches. Each of the four sections of this paper…