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为考察编码和提取阶段的干扰负载对注意缺陷多动障碍(ADHD)儿童视觉工作记忆的影响。本研究采用纸笔测验,分别要求被试对编码和提取阶段的材料进行操作。结果发现,编码阶段,干扰负载对两组被试的影响没有显著差异;提取阶段,干扰负载对ADHD组被试的影响显著大于普通组被试。相对于普通组儿童而言,ADHD儿童的视觉工作记忆更易受到干扰负载的影响,这种影响体现在提取阶段。
To investigate the influence of disturbing loads at encoding and extraction stages on visual working memory in children with attention deficit hyperactivity disorder (ADHD). In this study, pen-and-paper test was used, which required the subjects to operate on the materials in the coding and extraction stages respectively. The results showed that there was no significant difference in the influence of disturbance load on the subjects during the encoding stage. In the extraction stage, the influence of disturbance load on ADHD subjects was significantly greater than that of the normal subjects. The visual working memory of children with ADHD is more susceptible to disturbance loads than the average group of children, an effect that is reflected in the extraction phase.