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[Intelligence study on 1758 deaf children in China]

C Qu1, X Sun, R Zheng

  • 1Shanxi Medical College, Taiyuan.

Zhonghua Er Bi Yan Hou Ke Za Zhi
|January 1, 1995
PubMed
Summary

Children with deafness in China show lower IQ scores and developmental delays compared to hearing peers. Factors like hearing aid use and education start age significantly influence their cognitive development.

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Area of Science:

  • Child Psychology
  • Developmental Psychology
  • Audiology

Background:

  • Childhood deafness presents unique challenges to cognitive development.
  • Understanding these challenges is crucial for effective early intervention and educational support.
  • Previous research has explored cognitive deficits in deaf populations, but specific factors in the Chinese context require further investigation.

Purpose of the Study:

  • To assess the cognitive development of deaf children in China.
  • To identify key factors influencing the mental development of deaf children.
  • To compare the cognitive performance of deaf children with their normal-hearing peers.

Main Methods:

  • Utilized the revised Hiskey-Nebraska Test of Learning Aptitude (H-NTLA) on 1758 deaf children aged 3-17 years.
  • Compared results with a control group of 1788 normal-hearing children.
  • Employed a stepwise regression model to identify influencing factors.

Main Results:

  • Deaf children scored approximately 20 IQ points lower than normal-hearing children.
  • Significant cognitive retardation was observed, increasing with age, reaching an average of 36 months by age 13.
  • Specific areas of significant delay included picture association, analogies, and memory for color/digits, while visual-spatial tasks showed age-appropriate performance in certain groups.
  • Audiphone use, education fees, and early initiation of education were identified as significant influencing factors.

Conclusions:

  • Childhood deafness in China is associated with significant cognitive deficits and developmental delays.
  • Early intervention and appropriate educational support, considering factors like hearing aid use and enrollment age, are critical for improving outcomes.
  • Further research should explore tailored interventions to address specific cognitive weaknesses in deaf children.

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