Abstract
A brain–computer interface (BCI) used to control a hand exoskeleton provides a tool for rehabilitation of the arm motor function (MF) after stroke and has proven efficacy and a potential to stimulate brain neuroplasticity. A study was made to analyze the effect of repeated rehabilitation courses with a BCI + exoskeleton (2 to 9 months after the first course) on the MF restoration in the late recovery period. MF recovery was assessed using a biomechanical analysis of the patient’s movements and clinical scales: the Fugl-Meyer Assessment (FMA) scale, the Action Research Arm Test (ARAT), and the Medical Research Council Weakness Scale sum score (MRC-SS). A positive effect of repeated rehabilitation courses with a BCI + exoskeleton on the MF recovery was observed in both patients with moderate paresis in the late recovery period and patients with severe paresis. The data may be useful for developing an appropriate protocol for the rehabilitation procedures that employ the exoskeleton controlled via a BCI with kinesthetic imagination of movements.
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Funding
Studies performed by A.A. Kondur, L.G. Turbina, and S.V. Kotov were supported by the Russian Foundation for Basic Research (project no. 19-015-00192). Studies performed by E.V. Biryukova, A.A. Frolov, and P.D. Bobrov were supported by a state contract with the Pirogov Russian National Research Medical University and the program 2591-r “Development of Biologically Adequate Principles to Control Robot-based Neurorehabilitation Systems” of the Presidium of the Russian Academy of Sciences.
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Statement of compliance with standards of research involving humans as subjects. All procedures performed in studies involving human participants were in accordance with the ethical standards of the 1964 Helsinki Declaration and its later amendments and were approved by the local Ethics Committee at the Vladimirsky Moscow Regional Research Clinical Institute (Minutes no. 9 dated October 2, 2014, Moscow). All individual participants involved in the study voluntarily gave their written informed consent for participation after being informed about potential risk and benefits and the nature of the study.
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Kondur, A.A., Biryukova, E.V., Frolov, A.A. et al. Rehabilitation of the Arm Motor Function in Poststroke Patients with an Exoskeleton-Controlling Brain–Computer Interface: Effect of Repeated Hospitalizations. Hum Physiol 46, 321–331 (2020). https://doi.org/10.1134/S036211972003007X
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DOI: https://doi.org/10.1134/S036211972003007X