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Study on response inhibition deficit serving as an endophenotype to ADHD
Authors
彭刚
杨思渊
+3 more
杨斌让
邹小兵
陈楚侨
Publication date
1 January 2011
Publisher
Abstract
目的 探讨反应抑制能否作为注意缺陷多动障碍的认知内表现型.方法 运用反应/不反应任务、停止信号任务、Stroop色-字任务对100名注意缺陷多动障碍儿童和对照组儿童进行抑制功能测试,并收集注意缺陷多动障碍儿童的家族史.根据其家族史的有、无将注意缺陷多动障碍儿童分为家族史阳性组和家族史阴性组,运用多变量方差分析进行统计.结果 3组儿童在反应抑制功能上存在显著性差异[F(12,350)=7.916,P〈0.001,η2=0.213],控制FIQ后仍有统计学意义[F(12,348)=6.658,P〈0.001,η2=0.187].Bonferroni多重比较显示,在Stroop色-字测试反应时干扰及错误数干扰上,家族史阳性的注意缺陷多动障碍组儿童明显差于家族史阴性组,而后者又明显差于对照组儿童;在反应/不反应任务漏按键数、正确反应的反应时变异及停止信号任务的停止信号反应时上,两组注意缺陷多动障碍儿童明显差于对照组儿童,虽然两组注意缺陷多动障碍儿童间无显著性差异,但家族史阴性组表现介于家族史阳性组与对照组之间.结论 注意缺陷多动障碍儿童存在反应抑制功能缺陷;反应抑制可能是注意缺陷多动障碍的认知内表型之一.</p
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Last time updated on 14/05/2018