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Development of Three‐Dimensional Object Completion in Infancy
Author(s) -
Soska Kasey C.,
Johnson Scott P.
Publication year - 2008
Publication title -
child development
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.103
H-Index - 257
eISSN - 1467-8624
pISSN - 0009-3920
DOI - 10.1111/j.1467-8624.2008.01185.x
Subject(s) - habituation , novelty , psychology , developmental psychology , social psychology , neuroscience
Three‐dimensional (3D) object completion was investigated by habituating 4‐ and 6‐month‐old infants ( n = 24 total) with a computer‐generated wedge stimulus that pivoted 15°, providing only a limited view. Two displays, rotating 360°, were then shown: a complete, solid volume and an incomplete, hollow form composed only of the sides seen during habituation. There were no reliable preferences for either test display by 4‐month‐olds. At 6 months, infants showed a reliable novelty preference for the incomplete test display. Infants in a control group ( n = 24) not habituated to the limited‐view wedge preferred neither test display. By 6 months, infants may represent simple objects as complete in 3D space despite a limited perspective. Possible mechanisms of development of 3D object completion are discussed.