On catching fly balls. Nonlinear pattern vision processes in early infancy. The selectivity of motion driven visual attention in infants. Changes in human infants' sensitivity to slow displacements over the first six months. Methodological and empirical issues.
Contrast gain control in psychophysical contrast discrimination.
Constraining the use of constraints. Face perception during infancy. Brain-behavior relationships in early visual development. Contrast discrimination under temporally varying contrast conditions. Competition in early exogenous orienting between 7 and 21 weeks.