Role of experience in development of neurophysiological regulatory mechanism and in organization of the brain / Mark R. Rosenzweig -- Effects of handling in infancy upon adult behavior and adrenocortical activity: suggestions for a neuroendrocrine mechanism / Victor H. Denenberg and M.X. Zarrow -- Determinants of an infant's cardiac response to stimulation / Alfred Steinschneider -- Attention in the infant: avenue to the study of cognitive development / Robert B. McCall -- The sensory-motor origins of knowledge / Barbel Inhelder -- Of language knowledge, apes, and brains / Eric H. Lenneberg -- The interpersonal regulation of behavior / Robert M. Krauss -- Regulatory functions in computer models / John C. Loehlin -- The development of self-regulatory mechanisms: epilog / Donald L. Peters.