An fNIRS-Based Dynamic Functional Connectivity Analysis Method to Signify Functional Neurodegeneration of Parkinson's Disease

被引:8
作者
Lu, Jiewei [1 ]
Zhang, Xinyuan [2 ]
Wang, Yue [2 ]
Cheng, Yuanyuan [3 ]
Shu, Zhilin [1 ,3 ]
Wang, Jin [2 ,4 ]
Zhu, Zhizhong
Liu, Peipei [2 ,4 ]
Yu, Yang [3 ]
Wu, Jialing [5 ,6 ]
Han, Jianda [1 ,4 ,7 ,8 ]
Yu, Ningbo [1 ,5 ,7 ,8 ]
机构
[1] Nankai Univ, Coll Artificial Intelligence, Tianjin 300350, Peoples R China
[2] Tianjin Med Univ, Clin Coll Neurol Neurosurg & Neurorehabil, Tianjin 300070, Peoples R China
[3] Tianjin Huanhu Hosp, Dept Rehabil Med, Tianjin 300350, Peoples R China
[4] Tianjin Huanhu Hosp, Dept Neurol, Tianjin 300350, Peoples R China
[5] Tianjin Huanhu Hosp, Dept Rehabil Med, Dept Neurol, Tianjin 300350, Peoples R China
[6] Tianjin Huanhu Hosp, Tianjin Key Lab Cerebral Vasc & Neurodegenerat Dis, Tianjin 300350, Peoples R China
[7] Nankai Univ, Tianjin Key Lab Intelligent Robot, Tianjin 300350, Peoples R China
[8] Nankai Univ, Inst Intelligence Technol & Robot Syst, Shenzhen Res Inst, Shenzhen 518083, Peoples R China
基金
中国国家自然科学基金;
关键词
Legged locomotion; Functional near-infrared spectroscopy; Feature extraction; Diseases; Correlation; Neurology; Medical diagnostic imaging; Parkinson's disease; functional neurodegeneration; fNIRS; dynamic functional connectivity; dynamic state features; RESTING STATE; GAIT; EEG;
D O I
10.1109/TNSRE.2023.3242263
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Parkinson's disease (PD) is a prevalent brain disorder, and PD diagnosis is crucial for treatment. Existing methods for PD diagnosis are mainly focused on behavior analysis, while the functional neurodegeneration of PD has not been well investigated. This paper proposes a method to signify functional neurodegeneration of PD with dynamic functional connectivity analysis. A functional near-infrared spectroscopy (fNIRS)-based experimental paradigm was designed to capture brain activation from 50 PD patients and 41 age-matched healthy controls in clinical walking tests. Dynamic functional connectivity was constructed with sliding-window correlation analysis, and k-means clustering was applied to generate the key brain connectivity states. Dynamic state features including state occurrence probability, state transition percentage and state statistical features were extracted to quantify the variations of brain functional networks. A support vector machine was trained to classify PD patients and healthy controls. Statistical analysis was conducted to investigate the difference between PD patients and healthy controls as well as the relationship between dynamic state features and the MDS-UPDRS sub-score of gait. The results showed that PD patients had a higher probability of transiting to brain connectivity states with high levels of information transmission compared with healthy controls. The MDS-UPDRS sub-score of gait and the dynamics state features showed a significant correlation. Moreover, the proposed method had better classification performances than the available fNIRS-based methods in terms of accuracy and F1 score. Thus, the proposed method well signified functional neurodegeneration of PD, and the dynamic state features may serve as promising functional biomarkers for PD diagnosis.
引用
收藏
页码:1199 / 1207
页数:9
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