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ERIC Number: EJ810334
Record Type: Journal
Publication Date: 2008
Pages: 7
Abstractor: As Provided
Reference Count: 32
ISBN: N/A
ISSN: ISSN-0009-3920
Development of Three-Dimensional Object Completion in Infancy
Soska, Kasey C.; Johnson, Scott P.
Child Development, v79 n5 p1230-1236 Sep-Oct 2008
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[degrees], providing only a limited view. Two displays, rotating 360[degrees], 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.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A