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Young infants' perception of the trajectories of two- and three-dimensional objects.

Research output: Contribution to journalJournal article


Journal publication date09/2012
JournalJournal of Experimental Child Psychology
Number of pages9
Original languageEnglish


We investigated oculomotor anticipations in 4-month-old infants as they viewed center-occluded object trajectories. In two experiments, we examined performance in 2D and 3D dynamic occlusion displays, and in an additional 3D condition with a smiley face as the moving target stimulus. Rates of anticipatory eye movements were not facilitated by 3D displays or by the (presumably) more salient smiley face relative to the 2D condition. However, latencies of anticipations were reduced, implying that 3D visual information may have supported formation of more robust mental representations of the moving object. Results are interpreted in a context of perceptual constraints on developing cognitive capacities in early infancy.