【目的】 探讨注意缺陷多动障碍(attention deficit hyperactivity disorder,ADHD)混合型(ADHD-CT)及注意缺陷为主型(ADHD-IT)的男童执行功能特征。 【方法】 采用抑制(反应/不反应任务、停止信号任务、Stroop色-字任务)及工作记忆功能任务(顺背数字、倒背数字、Corsi木块回忆、n-Back)对76名ADHD-CT、15名ADHD-IT及15名对照组男童进行测试。 【结果】 1) ADHD组儿童在反应/不反应任务、Stroop色-字任务、倒背数字、Corsi木块回忆任务上的表现明显差于对照组儿童,控制年龄、年级、总智商后比较差异有统计学意义。2) ADHD-CT与ADHD-IT组儿童在各测试任务上的表现差异无统计学意义。 【结论】 ADHD儿童存在执行功能损伤。ADHD-CT与ADHD-IT亚型执行功能损伤模式相同。
Abstract
【Objective】 To explore the characteristics of executive function in attention deficit hyperactivity disorder, predominantly inattentive subtype (ADHD-IT) and ADHD combined subtype (ADHD). 【Method】 Seventy-six boys with ADHD-CT, 15 boys with ADHD-IT and 54 healthy control subjects performed inhibition functions (Go/no-go task, Stroop color-word test,stop signal task) and working memory functions (digits forward, digits backward, Corsi block recall and visual spatial n-back). 【Results】 1) ADHD groups performed significantly worse than healthy controls did in Go/no-go task, Stroop color-word test, digits backward, and Corsi block recall. After controlling for age, grade and full-scale intelligence quotient (FIQ), the results remained unchanged.2)There were no significant differences in all tasks between ADHD-CT and ADHD-IT subtypes. 【Conclusion】 The results suggest that boys with ADHD showed deficit in executive function. The pattern of deficit in executive function between ADHD-CT and ADHD-IT subtypes is similar to each other.
关键词
注意缺陷多动障碍 /
执行功能 /
反应抑制 /
工作记忆
Key words
attention deficit hyperactivity disorder /
executive function /
response inhibition /
working memory
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参考文献
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基金
广东省医学科研基金(A209612);深圳市科技计划项目(200902108)
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