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Jia T, Li C, Mo L, Qian C, Li W, Xu Q, Pan Y, Liu A, Ji L. Tailoring brain-machine interface rehabilitation training based on neural reorganization: towards personalized treatment for stroke patients. Cereb Cortex 2023; 33:3043-3052. [PMID: 35788284 PMCID: PMC10016036 DOI: 10.1093/cercor/bhac259] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/04/2022] [Accepted: 06/06/2022] [Indexed: 11/14/2022] Open
Abstract
Electroencephalogram (EEG)-based brain-machine interface (BMI) has the potential to enhance rehabilitation training efficiency, but it still remains elusive regarding how to design BMI training for heterogeneous stroke patients with varied neural reorganization. Here, we hypothesize that tailoring BMI training according to different patterns of neural reorganization can contribute to a personalized rehabilitation trajectory. Thirteen stroke patients were recruited in a 2-week personalized BMI training experiment. Clinical and behavioral measurements, as well as cortical and muscular activities, were assessed before and after training. Following treatment, significant improvements were found in motor function assessment. Three types of brain activation patterns were identified during BMI tasks, namely, bilateral widespread activation, ipsilesional focusing activation, and contralesional recruitment activation. Patients with either ipsilesional dominance or contralesional dominance can achieve recovery through personalized BMI training. Results indicate that personalized BMI training tends to connect the potentially reorganized brain areas with event-contingent proprioceptive feedback. It can also be inferred that personalization plays an important role in establishing the sensorimotor loop in BMI training. With further understanding of neural rehabilitation mechanisms, personalized treatment strategy is a promising way to improve the rehabilitation efficacy and promote the clinical use of rehabilitation robots and other neurotechnologies.
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Affiliation(s)
| | - Chong Li
- Corresponding authors: Division of Intelligent and Bio-mimetic Machinery, The State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China. ; Beijing Rehabilitation Hospital of Capital Medical University, Capital Medical University, Beijing 100144, China. ; Division of Intelligent and Bio-mimetic Machinery, The State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China.
| | - Linhong Mo
- Beijing Rehabilitation Hospital of Capital Medical University, Capital Medical University, Beijing 100144, China
| | - Chao Qian
- Division of Intelligent and Bio-mimetic Machinery, The State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
| | - Wei Li
- Division of Intelligent and Bio-mimetic Machinery, The State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
| | - Quan Xu
- Division of Intelligent and Bio-mimetic Machinery, The State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
- Department of Physical Medicine and Rehabilitation, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing 102218, China
| | - Yu Pan
- Department of Physical Medicine and Rehabilitation, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing 102218, China
| | - Aixian Liu
- Corresponding authors: Division of Intelligent and Bio-mimetic Machinery, The State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China. ; Beijing Rehabilitation Hospital of Capital Medical University, Capital Medical University, Beijing 100144, China. ; Division of Intelligent and Bio-mimetic Machinery, The State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China.
| | - Linhong Ji
- Corresponding authors: Division of Intelligent and Bio-mimetic Machinery, The State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China. ; Beijing Rehabilitation Hospital of Capital Medical University, Capital Medical University, Beijing 100144, China. ; Division of Intelligent and Bio-mimetic Machinery, The State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China.
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Gan L, Yin X, Huang J, Jia B. Transcranial Doppler analysis based on computer and artificial intelligence for acute cerebrovascular disease. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2023; 20:1695-1715. [PMID: 36899504 DOI: 10.3934/mbe.2023077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Cerebrovascular disease refers to damage to brain tissue caused by impaired intracranial blood circulation. It usually presents clinically as an acute nonfatal event and is characterized by high morbidity, disability, and mortality. Transcranial Doppler (TCD) ultrasonography is a non-invasive method for the diagnosis of cerebrovascular disease that uses the Doppler effect to detect the hemodynamic and physiological parameters of the major intracranial basilar arteries. It can provide important hemodynamic information that cannot be measured by other diagnostic imaging techniques for cerebrovascular disease. And the result parameters of TCD ultrasonography such as blood flow velocity and beat index can reflect the type of cerebrovascular disease and serve as a basis to assist physicians in the treatment of cerebrovascular diseases. Artificial intelligence (AI) is a branch of computer science which is used in a wide range of applications in agriculture, communications, medicine, finance, and other fields. In recent years, there are much research devoted to the application of AI to TCD. The review and summary of related technologies is an important work to promote the development of this field, which can provide an intuitive technical summary for future researchers. In this paper, we first review the development, principles, and applications of TCD ultrasonography and other related knowledge, and briefly introduce the development of AI in the field of medicine and emergency medicine. Finally, we summarize in detail the applications and advantages of AI technology in TCD ultrasonography including the establishment of an examination system combining brain computer interface (BCI) and TCD ultrasonography, the classification and noise cancellation of TCD ultrasonography signals using AI algorithms, and the use of intelligent robots to assist physicians in TCD ultrasonography and discuss the prospects for the development of AI in TCD ultrasonography.
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Affiliation(s)
- Lingli Gan
- Department of Neurology, Chongqing General Hospital, Chongqing 401147, China
| | - Xiaoling Yin
- Department of Neurosurgery, Chongqing General Hospital, Chongqing 401147, China
| | - Jiating Huang
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, China
| | - Bin Jia
- Department of Neurosurgery, Chongqing General Hospital, Chongqing 401147, China
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Zhan G, Chen S, Ji Y, Xu Y, Song Z, Wang J, Niu L, Bin J, Kang X, Jia J. EEG-Based Brain Network Analysis of Chronic Stroke Patients After BCI Rehabilitation Training. Front Hum Neurosci 2022; 16:909610. [PMID: 35832876 PMCID: PMC9271662 DOI: 10.3389/fnhum.2022.909610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/25/2022] [Indexed: 12/05/2022] Open
Abstract
Traditional rehabilitation strategies become difficult in the chronic phase stage of stroke prognosis. Brain–computer interface (BCI) combined with external devices may improve motor function in chronic stroke patients, but it lacks comprehensive assessments of neurological changes regarding functional rehabilitation. This study aimed to comprehensively and quantitatively investigate the changes in brain activity induced by BCI–FES training in patients with chronic stroke. We analyzed the EEG of two groups of patients with chronic stroke, one group received functional electrical stimulation (FES) rehabilitation training (FES group) and the other group received BCI combined with FES training (BCI–FES group). We constructed functional networks in both groups of patients based on direct directed transfer function (dDTF) and assessed the changes in brain activity using graph theory analysis. The results of this study can be summarized as follows: (i) after rehabilitation training, the Fugl–Meyer assessment scale (FMA) score was significantly improved in the BCI–FES group (p < 0.05), and there was no significant difference in the FES group. (ii) Both the global and local graph theory measures of the brain network of patients with chronic stroke in the BCI–FES group were improved after rehabilitation training. (iii) The node strength in the contralesional hemisphere and central region of patients in the BCI–FES group was significantly higher than that in the FES group after the intervention (p < 0.05), and a significant increase in the node strength of C4 in the contralesional sensorimotor cortex region could be observed in the BCI–FES group (p < 0.05). These results suggest that BCI–FES rehabilitation training can induce clinically significant improvements in motor function of patients with chronic stroke. It can improve the functional integration and functional separation of brain networks and boost compensatory activity in the contralesional hemisphere to a certain extent. The findings of our study may provide new insights into understanding the plastic changes of brain activity in patients with chronic stroke induced by BCI–FES rehabilitation training.
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Affiliation(s)
- Gege Zhan
- Laboratory for Neural Interface and Brain Computer Interface, State Key Laboratory of Medical Neurobiology, Engineering Research Center of AI and Robotics, Ministry of Education, Shanghai Engineering Research Center of AI and Robotics, MOE Frontiers Center for Brain Science, Institute of AI and Robotics, Academy for Engineering and Technology, Fudan University, Shanghai, China
| | - Shugeng Chen
- Department of Rehabilitation Medicine, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yanyun Ji
- Shanghai Jinshan Zhongren Geriatric Nursing Hospital, Shanghai, China
| | - Ying Xu
- Shanghai Jinshan Zhongren Geriatric Nursing Hospital, Shanghai, China
| | - Zuoting Song
- Laboratory for Neural Interface and Brain Computer Interface, State Key Laboratory of Medical Neurobiology, Engineering Research Center of AI and Robotics, Ministry of Education, Shanghai Engineering Research Center of AI and Robotics, MOE Frontiers Center for Brain Science, Institute of AI and Robotics, Academy for Engineering and Technology, Fudan University, Shanghai, China
| | - Junkongshuai Wang
- Laboratory for Neural Interface and Brain Computer Interface, State Key Laboratory of Medical Neurobiology, Engineering Research Center of AI and Robotics, Ministry of Education, Shanghai Engineering Research Center of AI and Robotics, MOE Frontiers Center for Brain Science, Institute of AI and Robotics, Academy for Engineering and Technology, Fudan University, Shanghai, China
| | - Lan Niu
- Ji Hua Laboratory, Foshan, China
| | | | - Xiaoyang Kang
- Laboratory for Neural Interface and Brain Computer Interface, State Key Laboratory of Medical Neurobiology, Engineering Research Center of AI and Robotics, Ministry of Education, Shanghai Engineering Research Center of AI and Robotics, MOE Frontiers Center for Brain Science, Institute of AI and Robotics, Academy for Engineering and Technology, Fudan University, Shanghai, China
- Ji Hua Laboratory, Foshan, China
- Yiwu Research Institute of Fudan University, Yiwu, China
- Research Center for Intelligent Sensing, Zhejiang Lab, Hangzhou, China
- *Correspondence: Xiaoyang Kang
| | - Jie Jia
- Department of Rehabilitation Medicine, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
- National Center for Neurological Disorders, Shanghai, China
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