目的 探讨注意缺陷多动障碍(ADHD)儿童时间加工特征及可能原因,为干预提供科学依据。方法 采用时间产生任务分别对100名ADHD儿童和100名对照组儿童进行时间加工功能测试,运用重复测量多变量方差分析/协方差分析进行统计。结果 在时间产生任务中,MANOVA显示存在组别、时间间期主效应及交互效应,表现为ADHD组儿童在绝对差值、准确系数方面明显差于对照组儿童,随着时间间期的增加,两组儿童表现均下降,但ADHD组儿童下降更明显;控制FIQ结果后MANCOVA结果相似。对每一时间间期控制FIQ后进行ACOVA显示在长的时间间期ADHD组儿童绝对差值明显大于对照组儿童,而准确系数明显低于对照组儿童。结论 ADHD儿童存在原发的时间加工缺陷,这种缺陷并非继发于其它认知功能缺陷。
Abstract
Objective To determine cognitive function domains of temporal processing,the possible etiopathogenisis,and to supply scientific evidence for intervention of attention deficit hyperactivity disorder (ADHD)children. Methods One hundred children with ADHD and 100 healthy controls matched in age,gender,grade,handedness were measured with neuropsychological tests concerning the domain of temporal processing (i.e,time production).The performances were compared using repeated measurement of multivariate analysis of variance (MANOVA) and MANCOVA with FIQ controlled between two groups. Results The omnibus MANOVA had group and duration main effects and interaction effect in time production task,the absolute discrepancies,the accuracy coefficients were significant different.The results showed that the abosulte discrepancyies were greater and the accuracy coefficients were less in children with ADHD than those in healthy controls.The performance in both groups became worse with the time duration increasing,but much worse in children with ADHD.The results remained unchanged after controlling for FIQ.The ACOVAs of each duration showed that children with ADHD performed worse than healthy controls in the long durations. Conclusion Temporal processing deficiency may be inherent and not stem from other cognitive deficiencies.
关键词
注意缺陷多动障碍 /
时间加工 /
时间产生 /
特征
Key words
attention deficit hyperactivity disorder /
temporal processing /
time production /
characteristics
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参考文献
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