A fully integrated, standalone stretchable device platform with in-sensor adaptive machine learning for rehabilitation
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Published:2023-11-27
Issue:1
Volume:14
Page:
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ISSN:2041-1723
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Container-title:Nature Communications
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language:en
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Short-container-title:Nat Commun
Author:
Xu HongchengORCID, Zheng Weihao, Zhang YangORCID, Zhao Daqing, Wang Lu, Zhao Yunlong, Wang WeidongORCID, Yuan Yangbo, Zhang JiORCID, Huo Zimin, Wang YuejiaoORCID, Zhao Ningjuan, Qin Yuxin, Liu Ke, Xi Ruida, Chen Gang, Zhang HaiyanORCID, Tang ChuORCID, Yan Junyu, Ge QiORCID, Cheng HuanyuORCID, Lu YangORCID, Gao LiboORCID
Abstract
AbstractPost-surgical treatments of the human throat often require continuous monitoring of diverse vital and muscle activities. However, wireless, continuous monitoring and analysis of these activities directly from the throat skin have not been developed. Here, we report the design and validation of a fully integrated standalone stretchable device platform that provides wireless measurements and machine learning-based analysis of diverse vibrations and muscle electrical activities from the throat. We demonstrate that the modified composite hydrogel with low contact impedance and reduced adhesion provides high-quality long-term monitoring of local muscle electrical signals. We show that the integrated triaxial broad-band accelerometer also measures large body movements and subtle physiological activities/vibrations. We find that the combined data processed by a 2D-like sequential feature extractor with fully connected neurons facilitates the classification of various motion/speech features at a high accuracy of over 90%, which adapts to the data with noise from motion artifacts or the data from new human subjects. The resulting standalone stretchable device with wireless monitoring and machine learning-based processing capabilities paves the way to design and apply wearable skin-interfaced systems for the remote monitoring and treatment evaluation of various diseases.
Publisher
Springer Science and Business Media LLC
Subject
General Physics and Astronomy,General Biochemistry, Genetics and Molecular Biology,General Chemistry,Multidisciplinary
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