ERIC Number: EJ1027530
Record Type: Journal
Publication Date: 2014
Abstractor: As Provided
Reference Count: 42
Postural Influences on the Development of Infant Lateralized and Symmetric Hand-Use
Babik, Iryna; Campbell, Julie M.; Michel, George F.
Child Development, v85 n1 p294-307 Jan-Feb 2014
Within-individual variability is such an apparent characteristic of infant handedness that handedness is believed to consolidate only in childhood. Research showed that manifest handedness is influenced by emerging postural skills (sitting, crawling, and walking). In this investigation, it was proposed that symmetric hand-use (tendency to acquire objects bimanually), rather than lateralized hand-use (the use of one hand more than the other), may be influenced by postural changes. Trajectories of lateralized and symmetric hand-use for object acquisition were examined in 275 infants tested monthly from 6 to 14 months. Multilevel modeling revealed that change in lateralized hand-use is unrelated to developmental transitions in infant posture, whereas the trajectory of symmetric hand-use changes significantly with the development of postural skills.
Descriptors: Human Posture, Psychomotor Skills, Handedness, Infants, Child Development, Skill Development
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Publication Type: Journal Articles; Reports - Research
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