Abstract
Objective: This study aims to explore the characteristics of children with attention deficit hyperactivity disorder (ADHD) in the Fourth Edition of Wechsler Intelligence (WISC-IV). Methods: The boys with ADHD were tested by WISC-IV, and the comparisons with healthy children were performed. Results: The total IQ, (t=-4.964, P<0.001), general ability index (t=-2.443, P=0.016) and cognitive index (t=-5.810, P<0.001) of the study group were significantly lower than that of the control group, of which, the working memory (t=-5.354, P<0.001), processing speed (t=-4.593, P<0.001) and its various sub-tests scores of the subscales for cognitive processing index were significantly lower than that of the control group. The incidence of the low cognitive efficiency feature of the study group (69.23%) was significantly higher than that of the control group (46.15%) (χ2=6.923, P=0.009). The performance of the learning factor in the study group was correlated with the total IQ and working memory of WISC. Conclusions: Children with ADHD have intellectual characteristics of relatively low cognitive efficiency.
Highlights
Attention deficit hyperactivity disorder (ADHD) is the most common behavioral problems in children and adolescents
The current study believes that children with attention deficit hyperactivity disorder (ADHD) have defects in cognitive function, which leads to children's academic and other social dysfunction [2]
How is the performance of children with ADHD in the intelligence measurement, how were the attention defect characteristics affect children's performance in the measurement? What is the particularity of cognitive characteristics for children with ADHD reflected in the intelligence measurement? What are the differences among the scores of IQ test and its different subtypes of children with ADHD?
Summary
Attention deficit hyperactivity disorder (ADHD) is the most common behavioral problems in children and adolescents. The current study suggests that the incidence of ADHD was 5.29%, and that of the male was higher than that of the female [1]. The current study believes that children with ADHD have defects in cognitive function, which leads to children's academic and other social dysfunction [2]. How is the performance of children with ADHD in the intelligence measurement, how were the attention defect characteristics affect children's performance in the measurement? What is the particularity of cognitive characteristics for children with ADHD reflected in the intelligence measurement? Some researchers have suggested that an inability to concentrate may affect poor test performance of children in measurement, affecting their mental measurement results. The affect of attention problems on the results of IQ is 2-5 points [5]
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