Brain Functional Network Based on Small-Worldness and Minimum Spanning Tree for Depression Analysis

被引：0
作者：
Zhang B. [1 ]
Wei D. [1 ]
Su Y. [2 ]
Zhang Z. [1 ]
机构：
[1] School of Electronic and Information Engineering, Lanzhou Jiaotong University, Lanzhou
[2] College of Computer Science and Engineering, Northwest Normal University, Lanzhou
来源：
Journal of Beijing Institute of Technology (English Edition) | 2023年 / 32卷 / 02期
基金：
中国国家自然科学基金;
关键词：
brain function network (BFN); depression; minimum spanning tree (MST); small-worldness (SW);
D O I：
10.15918/j.jbit1004-0579.2022.091
中图分类号：
学科分类号：
摘要：
Since the outbreak and spread of corona virus disease 2019 (COVID-19), the prevalence of mental disorders, such as depression, has continued to increase. To explore the abnormal changes of brain functional connections in patients with depression, this paper proposes a depression analysis method based on brain function network (BFN). To avoid the volume conductor effect, BFN was constructed based on phase lag index (PLI). Then the indicators closely related to depression were selected from weighted BFN based on small-worldness (SW) characteristics and binarization BFN based on the minimum spanning tree (MST). Differences analysis between groups and correlation analysis between these indicators and diagnostic indicators were performed in turn. The resting state electroencephalogram (EEG) data of 24 patients with depression and 29 healthy controls (HC) was used to verify our proposed method. The results showed that compared with HC, the information processing of BFN in patients with depression decreased, and BFN showed a trend of randomization. © 2023 Beijing Institute of Technology. All rights reserved.
引用
收藏
页码：198 / 208
页数：10
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