This paper reports a study which examined the relationships of various facets of sensorimotor performance to abilities measured by a developmental examination of a sample of full-term and pre-term infants nine months after expected term date. This study addressed three questions: (1) Are there differences in the sensorimotor development of term…

After distinguishing between neocortical abilities for executive control and subcortical sensory motor skills for proprioceptive and vestibular integration, we compare a sample of 116 normal preschoolers with a sample of 31 preschoolers receiving occupational therapeutical treatment. This is done in an experimental design controlled for age (mean:…

Observed 12-month olds, with their mothers and independently, acting on objects from home and objects brought by the experimenter as new exemplars of previous toys. Found that conventional actions were more frequent in joint than in independent activity. In independent activity, conventional actions were more frequent with customary than with…

The present study involved the evaluation of the effectiveness of four types of preschool programs on the educational development of lower and middle class children. Middle class children were exposed to "unit" and "cognitive" based preschool programs; lower class children were exposed to "day care" and Montessori…