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Systems in development: Motor skill acquisition facilitates three-dimensional object completion.

2010/01/01 by Kasey C. Soska, Karen E. Adolph, Scott P. Johnson · 32 citations
Psychology · Neuroscience · Mathematics · #Child and Animal Learning Development #Tactile and Sensory Interactions #Cognitive and developmental aspects of mathematical skills

paper · doi: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.

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