Viewing human development as a process by which the human gains self-control, this essay argues that locomotion and speech are control-oriented motor movements and suggests that cognition is also a form of movement developed as the individual achieves control over his or her thinking processes. Support for this view of cognitive development is…

This study examines effectiveness of preschool and family intervention in prevention of cultural-familial retardation. It attempts to resolve part of the complex of influences on early intellectual development in those born into seriously disadvantaged environments that could account for the increased risk for certain children to be identified as…