Infant Hand-Use Preferences for Grasping Objects Contributes to the Development of a Hand-Use Preference for Manipulating Objects

Trisha Hinojosa, Ching Fan Sheu, George F. Michel

研究成果: Article同行評審

59 引文 斯高帕斯(Scopus)

摘要

Twenty-five infants, divided into three approximately equal groups according to their hand-use preference for reaching for and grasping objects (right, left, or no-preference), were videotaped at 7 and 11 months while involved in a semiplay activity in which they were presented with 26 toys (20-40 s for each presentation). Unimanual manipulation activity was coded, and the increase or decrease in preferred hand use across the two ages was analyzed. Infants with a right preference for reaching showed an increase in right-hand use for unimanual manipulatory actions from 7 to 11 months. Infants with a left preference for reaching showed an increase in left-hand use whereas infants with no preference for reaching showed a modest increase in the use of the right hand. These results support a modified progressive lateralization theory, which posits that a hand-use preference for reaching for and grasping objects will concatenate during development into a hand-use preference for manipulating objects.

原文English
頁(從 - 到)328-334
頁數7
期刊Developmental Psychobiology
43
發行號4
DOIs
出版狀態Published - 2003

All Science Journal Classification (ASJC) codes

  • 發展與教育心理學
  • 發展神經科學
  • 發展生物學
  • 行為神經科學

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