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Soska, Kasey C.; Adolph, Karen E.; Johnson, Scott P. – Developmental Psychology, 2010
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…
Descriptors: Infants, Psychomotor Skills, Skill Development, Motor Development
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Gill, Simone V.; Adolph, Karen E.; Vereijken, Beatrix – Developmental Science, 2009
A critical aspect of perception-action coupling is the ability to modify ongoing actions in accordance with variations in the environment. Infants' ability to modify their gait patterns to walk down shallow and steep slopes was examined at three nested time scales. Across sessions, a microgenetic training design showed rapid improvements after the…
Descriptors: Control Groups, Physical Activities, Infants, Psychomotor Skills
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Adolph, Karen E.; Vereijken, Beatrix; Shrout, Patrick E. – Child Development, 2003
Used kinematic measures to compare relative contributions of growing body dimensions, age, and walking experience in walking skill development in 9- to 17-month-olds, kindergartners, and college students. Found that with increased age, size, and experience, children's steps became longer, narrower, straighter, and more consistent, reflecting a…
Descriptors: Age Differences, Body Composition, Body Height, Body Weight