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Charles, Eric P.; Rivera, Susan M. – Developmental Science, 2009
Piaget proposed that understanding permanency, understanding occlusion events, and forming mental representations were synonymous; however, accumulating evidence indicates that those concepts are "not" unified in development. Infants reach for endarkened objects at younger ages than for occluded objects, and infants' looking patterns suggest that…
Descriptors: Object Permanence, Infants, Child Development, Cognitive Processes