Dissociation in Neural Correlates of Hyperactive/Impulsive vs. Inattentive Symptoms in Attention-Deficit/Hyperactivity Disorder.

Dissociation in Neural Correlates of Hyperactive/Impulsive vs. Inattentive Symptoms in Attention-Deficit/Hyperactivity Disorder.
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注意力缺陷/多动症障碍中多动/冲动性症状的神经相关性分离。

DOI:
10.3389/fnins.2022.893239
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发表时间:
2022
影响因子:
4.3
通讯作者:
Ewen, Joshua B.
Ewen, Joshua B.
中科院分区:
医学2区
文献类型:
--
作者:
Luo, Yu;Adamek, Jack H.;Crocetti, Deana;Mostofsky, Stewart H.;Ewen, Joshua B.

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注意缺陷/多动障碍(ADHD)是目前诊断标准中最常见的神经发育障碍之一,其特征是两个主要症状:注意力不集中和多动/冲动。在这项研究中,我们发现在单手敲击手指任务中,与任务相关的α (8-12 Hz)半球间连通性变化与注意力不集中症状的严重程度相关(r = 0.55, p = 0.01),但与多动/冲动症状的严重程度无关。先前发表的同一数据集的分析已经表明,单手敲击对侧半球的α事件相关的不同步(ERD)与多动/冲动症状的严重程度有关(r = 0.43, p = 0.04),但与注意力不集中症状的严重程度无关。我们的研究结果证明了ADHD症状严重程度的神经生物学分离,这对理解该疾病的内表型结构以及生物标志物的发展具有重要意义。
Attention-deficit/hyperactivity disorder (ADHD) is one of the most common neurodevelopmental disorders characterized in current diagnostic criteria by two dominant symptoms, inattention and hyperactivity/impulsivity. Here, we show that task-related alpha (8–12 Hz) interhemispheric connectivity changes, as assessed during a unimanual finger-tapping task, is correlated with inattentive symptom severity (r = 0.55, p = 0.01) but not with severity of hyperactive/impulsive symptoms. Prior published analyses of the same dataset have already show that alpha event-related desynchronization (ERD) in the hemisphere contralateral to unimanual tapping is related to hyperactive/impulsive symptom severity (r = 0.43, p = 0.04) but not to inattentive symptom severity. Our findings demonstrate a neurobiological dissociation in ADHD symptom severity, with implications for understanding the structure of endophenotypes in the disorder as well as for biomarker development.
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