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目的:考查干扰强度对ADHD儿童干扰控制的影响。方法:ADHD组和正常组各25名儿童参与了实验,使用数字Stroop范式,要求被试判断同时呈现的不同物理尺寸的两个数字数值的大小,并通过改变物理尺寸的大小,设置高低两种不同强度的干扰条件,考察在不同强度的干扰条件下,ADHD儿童的干扰控制特点。结果:在高干扰强度下,ADHD组的冲突效应量大于对照组;在低干扰强度下,ADHD组的冲突效应量小于对照组。结论:在高干扰强度条件下,ADHD儿童表现出干扰控制缺陷,在低干扰强度条件下,ADHD儿童未表现出干扰控制缺陷。
Objective: To investigate the influence of disturbance intensity on ADHD children’s interference control. METHODS: Twenty-five children in the ADHD group and the normal group were enrolled in the experiment. Using the digital Stroop paradigm, subjects were asked to judge the size of two numerical values of different physical sizes presented at the same time. By changing the size of the physical size, Different intensity of interference conditions, examine the different intensity of interference conditions, ADHD children’s interference control characteristics. Results: Under high disturbance intensity, the effect of conflict in ADHD group was greater than that in control group. At low disturbance intensity, the effect of conflict in ADHD group was less than that in control group. CONCLUSIONS: ADHD children show a defect in interference control under conditions of high disturbance intensity. ADHD children do not exhibit interference control deficits at low disturbance intensity.