Systems in development: Motor skill acquisition facilitates three-dimensional object completion.
- 1 January 2010
- journal article
- Published by American Psychological Association (APA) in Developmental Psychology
- Vol. 46 (1), 129-138
- https://doi.org/10.1037/a0014618
Abstract
How do infants learn to perceive the backs of objects that they see only from a limited viewpoint? Infants' 3-dimensional object completion abilities emerge in conjunction with developing motor skills--independent sitting and visual-manual exploration. Infants at 4.5 to 7.5 months of age (n = 28) were habituated to a limited-view object and tested with volumetrically complete and incomplete (hollow) versions of the same object. Parents reported infants' sitting experience, and infants' visual-manual exploration of objects was observed in a structured play session. Infants' self-sitting experience and visual-manual exploratory skills predicted looking at the novel, incomplete object on the habituation task. Further analyses revealed that self-sitting facilitated infants' visual inspection of objects while they manipulated them. The results are framed within a developmental systems approach, wherein infants' sitting skill, multimodal object exploration, and object knowledge are linked in developmental time.Keywords
Funding Information
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (R37-HD33486)
- National Institutes of Health (R01-HD40432; R01-HD48733)
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