Global gray matter morphometry differences between children with reading disability, ADHD, and comorbid reading disability/ADHD.

Global gray matter morphometry differences between children with reading disability, ADHD, and comorbid reading disability/ADHD.
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DOI:
10.1016/j.bandl.2018.08.004
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发表时间:
2018-10
期刊:
影响因子:
2.5
通讯作者:
Constance JM
Constance JM
中科院分区:
心理学3区
文献类型:
--
作者:
Jagger-Rickels AC;Kibby MY;Constance JM

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广泛的,但不同的,研究存在阐明阅读障碍(RD)或ADHD个体的结构异常。尽管ADHD和RD是高度共病,但很少有研究试图确定这些疾病之间的共同形态模式。此外,没有发表的研究检查共病RD和ADHD (RD/ADHD)的形态学。因此,我们对106名8-12岁儿童的MRI扫描进行了基于体素的形态测量,这些儿童患有RD、ADHD或RD/ADHD,以及典型的发育对照。我们在RD和ADHD中都发现了右尾状核和额叶上区,以及RD和ADHD特有的区域,这与目前关于这些疾病的理论一致。也许最重要的是,我们发现了一个潜在的RD/ADHD的神经生物学底物。此外,我们的研究结果说明了RD/ADHD的共同和特定因素,支持了目前关于RD和ADHD合并症的两种理论,从而促进了未来对RD/ADHD潜在病因的研究。
Extensive, yet disparate, research exists elucidating structural anomalies in individuals with Reading Disability (RD) or ADHD. Despite ADHD and RD being highly comorbid, minimal research has attempted to determine shared patterns of morphometry between these disorders. In addition, there is no published research examining the morphometry of comorbid RD and ADHD (RD/ADHD). Hence, we conducted voxel-based morphometry on the MRI scans of 106 children, ages 8–12 years, with RD, ADHD, or RD/ADHD, and typically developing controls. We found right caudate and superior frontal regions in both RD and ADHD, along with areas specific to RD and to ADHD that are consistent with current theories on these disorders. Perhaps most importantly, we found a potential neurobiological substrate for RD/ADHD. Further, our findings illustrate both shared and specific contributors to RD/ADHD, supporting two current theories on the comorbidity of RD and ADHD, thereby facilitating future work on potential etiologies of RD/ADHD.
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