Examines the ability of infants to track and anticipate the final orientation of an object. Subjects were infants ranging from an average of four months to eight months old. Three experiments, with the last one as control, were carried out. Concludes that infants show some rudimentary mental rotation from four months of age. (MOK)

This revised curriculum is designed to provide intervention strategies for both professionals and paraprofessionals to use with children with disabilities who are functioning in the birth to 24-month developmental range. The curriculum is based on normal sequences of development but does not assume even development across domains. The curriculum…