Although vision is limited at first, moving objects catch newborns’ attention. Babies are likely to track an object with their eyes as long as the target moves slowly.
Banks, M. S., & Salapatek, P. (1983). Infant visual perception. In Haith, M. M., & Campos, J. J. (Eds.), Handbook of child psychology. Infancy and developmental psychobiology. New York: Wiley.
Johnson, M. H. (1990). Cortical maturation and the development of visual attention in early infancy. Journal of Cognitive Neuroscience, 2, 81