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Altered Functional Integration in the Salience and Default Mode Networks in Euthymic Pediatric Bipolar Disorder
Neural Plasticity ( IF 3.0 ) Pub Date : 2020-10-09 , DOI: 10.1155/2020/5853701
Weifang Cao 1 , Haoran Chen 2 , Qing Jiao 1 , Dong Cui 1 , Yongxin Guo 1 , Weijia Gao 3 , Jianfeng Qiu 1 , Linyan Su 4 , Guangming Lu 5
Affiliation  

Accumulating studies demonstrate emotional and cognitive dysregulation in the euthymic period of pediatric bipolar disorder (PBD). However, the relative contribution of functional integration in human brain to disturbed emotion and cognitive function in the euthymic PBD patients remains unclear. In this study, 16 euthymic PBD patients and 16 healthy controls underwent resting-state functional magnetic resonance imaging. A data-driven functional connectivity analysis was used to investigate functional connectivity changes of the euthymic PBD. Compared with healthy controls, the euthymic PBD exhibited greater global functional connectivity density in the left anterior insula and lower global functional connectivity density in the right temporoparietal junction, the left angular gyrus, and the bilateral occipital lobule. A distant functional connectivity analysis demonstrated altered integration within the salience and default mode networks in euthymic PBD. Correlation analysis found that altered functional connectivity of the salience network was related to the reduced performance in the backward digit span test, and altered functional connectivity of the default mode network was related to the Young Mania Rating Scale in euthymic PBD patients. Our findings indicated that disturbed functional integration in salience and default mode networks might shed light on the physiopathology associated with emotional and cognitive dysregulation in PBD.

中文翻译:

Euthymic 小儿双相情感障碍显着性和默认模式网络中功能整合的改变

越来越多的研究表明,在小儿双相情感障碍 (PBD) 的心境正常期间存在情绪和认知失调。然而,人脑功能整合对心境正常的 PBD 患者情绪和认知功能紊乱的相对贡献仍不清楚。在这项研究中,16 名心境正常的 PBD 患者和 16 名健康对照者接受了静息态功能磁共振成像。使用数据驱动的功能连接分析来研究正常 PBD 的功能连接变化。与健康对照相比,心境正常的 PBD 在左前脑岛表现出更大的整体功能连接密度,而在右侧颞顶交界处、左角回和双侧枕叶中表现出较低的整体功能连接密度。远程功能连接分析表明,在正常 PBD 中,显着性和默认模式网络内的整合发生了改变。相关性分析发现,显着性网络的功能连通性改变与后向数字跨度测试中的性能降低有关,默认模式网络的功能连通性改变与心境正常的 PBD 患者的年轻躁狂评定量表有关。我们的研究结果表明,显着性和默认模式网络中受干扰的功能整合可能会揭示与 PBD 中情绪和认知失调相关的病理生理学。相关性分析发现,显着性网络的功能连通性改变与后向数字跨度测试中的性能降低有关,默认模式网络的功能连通性改变与心境正常的 PBD 患者的年轻躁狂评定量表有关。我们的研究结果表明,显着性和默认模式网络中受干扰的功能整合可能会揭示与 PBD 中情绪和认知失调相关的病理生理学。相关性分析发现,显着性网络的功能连通性改变与后向数字跨度测试中的性能降低有关,默认模式网络的功能连通性改变与心境正常的 PBD 患者的年轻躁狂评定量表有关。我们的研究结果表明,显着性和默认模式网络中受干扰的功能整合可能会揭示与 PBD 中情绪和认知失调相关的病理生理学。
更新日期:2020-10-11
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