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Peer reviewedProvine, Robert R.; Westerman, Judith A. – Child Development, 1979
The development of the ability to extend the hand across the body midline to contact a visually presented object was examined in 48 normal, full-term, 9- to 20-week-old infants. One of the infant's arms was restrained while the behavior of the contralateral, unrestrained arm was observed. (JMB)
Descriptors: Eye Hand Coordination, Infants, Motor Development, Preschool Children
Peer reviewedvan Hof, P.; van der Kamp, J.; Savelsbergh, G. J. P. – Child Development, 2002
This study examined the relationship of crossing the midline while reaching for objects to the development of bimanual reaching among infants ages 12, 18, and 26 weeks. Findings indicated that the frequency of two-hand grabbing and the number of midline reaches increased with age; most midline reaches were part of two-handed reaches and occurred…
Descriptors: Developmental Stages, Eye Hand Coordination, Infants, Motor Development
Peer reviewedThelen, Esther; And Others – Child Development, 1993
Weekly observations of 4 infants in a standard arm-extended reaching task demonstrated that the infants first reached at ages ranging from 12 to 22 weeks. Results suggest that the infant central nervous system does not contain programs that detail hand trajectory or muscle activation patterns; rather, these patterns are the consequence of the…
Descriptors: Eye Hand Coordination, Infants, Motor Development, Muscular System
Peer reviewedClifton, Rachel K.; And Others – Child Development, 1993
Seven infants were tested between the ages of 6 and 25 weeks to see how they would grasp objects presented in full light and glowing or sounding objects presented in total darkness. In all three conditions, the infants first grasped the objects at nearly the same time, suggesting that internal stimuli, not visual guidance, directed their actions.…
Descriptors: Eye Hand Coordination, Infants, Motor Development, Psychomotor Skills
Peer reviewedAshmead, Daniel H.; And Others – Child Development, 1993
Fourteen five- and nine-month-old infants were presented with illuminated toys to reach for in total darkness. In half the trials, a luminescent marker was attached to the reaching hand. The nine-month olds reached just as accurately with or without the hand marker, whereas five-month olds were generally inaccurate and unaffected by the marker.…
Descriptors: Adults, Age Differences, Eye Hand Coordination, Infants
Peer reviewedMcCarty, Michael E.; Clifton, Rachel K.; Ashmead, Daniel H.; Lee, Philip; Goubet, Nathalie – Child Development, 2001
Three experiments examined vision's role in infants' grasping of horizontally and vertically oriented rods. Found that infants differentially oriented their hand regardless of lighting and similar to control conditions where they could see rod and hand throughout reach. Findings suggest that infants may use current sight of object's orientation or…
Descriptors: Age Differences, Eye Hand Coordination, Infant Behavior, Infants
