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首页> 外文期刊>Journal of Clinical and Experimental Neuropsychology >Attention processing abnormalities in children with traumatic brain injury and attention-deficit/hyperactivity disorder: Differential impairment of component processes
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Attention processing abnormalities in children with traumatic brain injury and attention-deficit/hyperactivity disorder: Differential impairment of component processes

机译：脑外伤和注意缺陷/多动障碍儿童的注意加工异常：组成过程的差异性损害

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Individuals with acquired and neurodevelopmental brain disorders often exhibit deficits in attention. Recent models of attention have conceptualized it as a multicomponent system. One influential model proposed by Mirsky et al. (199133. Mirsky , A. F. , Anthony , B. J. , Duncan , C. C. , Ahearn , M. B. and Kellam , S. G. 1991 . Analysis of the elements of attention: A neuropsychological approach . Neuropsychology Review , 2 : 109 - 145 . [CrossRef], [PubMed]View all references) consists of factors that include focus, sustain, shift, and encode components. This model has been used to examine the structure of attention in a variety of clinical populations although few studies have contrasted performance of various clinical groups in order to determine whether these components are differentially affected. To address this issue, the current study investigated the differential sensitivity of these attention components in 90 children: 30 who had sustained traumatic brain injury (TBI), 30 who were diagnosed with attention-deficit/hyperactivity disorder (ADHD), and 30 normal controls. Results demonstrated that the TBI group had significantly lower focus factor scores, the ADHD group had significantly lower sustain scores, and that both clinical groups had lower encode factor scores than controls. Stepwise discriminant function analysis (DFA) retained the focus and encode factors in predicting clinical groups from controls with 75.6% accuracy. A second DFA retained the focus factor in differentiating the two clinical groups with 70.0% accuracy. These findings provide evidence of differential attention deficits resulting from TBI and ADHD.
机译：具有后天性和神经发育性脑疾病的个体通常表现出注意力不足。最近的关注模型已将其概念化为多组件系统。 Mirsky等人提出的一种有影响力的模型。 （199133. Mirsky，AF，Anthony，BJ，Duncan，CC，Ahearn，MB和Kellam，SG1991。注意因素的分析：一种神经心理学的方法。Neuropsychology Review，2：109-145。[CrossRef]，[PubMed请查看所有参考资料），这些因素包括聚焦，维持，移动和编码组件。尽管很少有研究对比各种临床人群的表现来确定这些成分是否受到不同影响，但该模型已用于检查各种临床人群的注意力结构。为了解决这个问题，本研究调查了90名儿童中这些注意力成分的差异敏感性：30名患有持续性脑外伤（TBI），30名被诊断为注意力缺陷/多动障碍（ADHD）和30名正常对照。结果表明，TBI组的聚焦因子得分明显较低，ADHD组的维持因子明显更低，并且两个临床组的编码因子得分均低于对照组。逐步判别功能分析（DFA）保留了焦点，并编码了从对照组中以75.6％的准确度预测临床人群的因素。第二个DFA保留了区分两个临床组的重点因素，准确度为70.0％。这些发现提供了由TBI和ADHD引起的差异注意力缺陷的证据。

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