The day-night paradigm, where children respond to a pair of pictures with opposite labels for a series of trials, is a widely used measure of interference control. Recent research has shown that a happy-sad variant of the day-night task was significantly more difficult than the standard day-night task. The present research examined whether the…

In this study, we investigated relations between infants' understanding of intentional actions and measures of social responsiveness during a transitional period, 9- to 11-months. Infants (N = 52) were tested in visual habituation paradigms tapping their understanding of the relation between a person and the object of her attention. Measures of…

All of the target articles in this issue are concerned with trajectories of development, with all focusing in one way or another on U-shaped functions. For purposes of this commentary, the author is primarily concerned with the Cashon and Cohen article. The mechanisms whereby one processes faces represent one of several perceptual/cognitive…