Working Memory Capacity and ADHD Symptoms in Boys: Examining the Heterogeneity of Working Memory Functioning Using Latent Profile Analysis.
Working Memory Capacity and ADHD Symptoms in Boys: Examining the Heterogeneity of Working Memory Functioning Using Latent Profile Analysis.
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男孩的工作记忆能力和多动症症状：使用潜在轮廓分析检查工作记忆功能的异质性。
DOI：
10.1007/s10862-019-09762-x
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发表时间：
2020-09
影响因子：
1.6
通讯作者：
Rapport MD
中科院分区：
文献类型：
--
作者：
Campez M;Raiker JS;Sarver DE;Friedman LM;Orban SA;Rapport MD
最近的研究表明，工作记忆（WM）是必不可少的ADHD的病因模型，然而，重要的问题仍然存在关于WM性能之间的关系，在不同的认知需求和ADHD症状的任务。目前的研究采用了个体差异方法来研究WM异质性（即，潜在轮廓分析）以（a）识别跨语音和视觉空间WM子系统的WM的差异轮廓;以及（B）表征WM轮廓之间的症状呈现的差异。父母和教师的儿童行为，获得了（n=51）和（n=38）诊断为多动症的男孩的评级，进行了比较，在潜在类的视觉空间和语音WM性能。潜在轮廓分析确定了三个类别的WM功能：低WM，中等WM，高WM。在低和中等WM类的成员与家长和教师评定的注意力不集中和多动症状的水平更高。虽然84%的ADHD组被分配到低和中度WM类，超过四分之一的儿童没有ADHD表现出中度WM限制。总的来说，这些研究结果扩展了以前的工作，表明有实质性的异质性WM功能在儿童和儿童多动症，这些差异有助于表达注意力不集中和多动症的症状。
Recent studies demonstrate that working memory (WM) is integral to etiological models of ADHD; however, significant questions persist regarding the relation between WM performance across tasks with varying cognitive demands and ADHD symptoms. The current study incorporates an individual differences approach to WM heterogeneity (i.e., latent profile analysis) to (a) identify differential profiles of WM across the phonological and visuospatial WM subsystems; and (b) characterize differences in symptom presentation among WM profiles. Parent and teacher ratings of child behavior, obtained for boys with (n=51) and without (n=38) a diagnosis of ADHD, were compared across latent classes of visuospatial and phonological WM performance. Latent profile analysis identified three classes of WM functioning: Low WM, Moderate WM, and High WM. Membership in the Low and Moderate WM classes was associated with greater levels of parent- and teacher-rated inattentive and hyperactive symptoms. While 84% of the ADHD group were assigned to the Low and Moderate WM classes, more than a quarter of children without ADHD exhibited Moderate WM limitations. Collectively, these findings extend prior work suggesting that there is substantial heterogeneity in WM functioning in children with and without ADHD and that these differences contribute to the expression of symptoms of inattention and hyperactivity.
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