Precision-and-flexibility optimized wearable dual-channel EEG acquisition system

Abstract Most wearable EEG acquisition devices rely on EEG caps and demand to carry a wired signal acquisition box. For many out-of-laboratory monitoring applications, it is necessary and significant to develop a novel flexible wearable EEG acquisition system with superior characteristics of small s...

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Main Authors: Fugui Qi, Chuantao Li, Yufei Jing, Fuming Chen
Format: Article
Language:English
Published: Springer 2025-01-01
Series:Discover Applied Sciences
Subjects:
Online Access:https://doi.org/10.1007/s42452-025-06516-1
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author Fugui Qi
Chuantao Li
Yufei Jing
Fuming Chen
author_facet Fugui Qi
Chuantao Li
Yufei Jing
Fuming Chen
author_sort Fugui Qi
collection DOAJ
description Abstract Most wearable EEG acquisition devices rely on EEG caps and demand to carry a wired signal acquisition box. For many out-of-laboratory monitoring applications, it is necessary and significant to develop a novel flexible wearable EEG acquisition system with superior characteristics of small size, high precision and easy to wear. This technology combines a high-precision EEG signal acquisition chip with a high-input impedance preamplifier to enhance the quality of EEG signal acquisition. In addition, flexible printed circuit board and silicone encapsulation process are applied to ensure high flexibility with the best fit for the head. The classical experiments show that when the input voltage of the system is 10 μV–10 mV, the short-circuit noise is lower than 1.5 μV, the output error is smaller than 10%, the input impedance can reach 680 MΩ, and the dry electrode can obtain clear α waves in areas with hair. Additionally, to verify the accuracy of the system, synchronous EEG measurement experiments using the AD INSTRUMENT and the proposed device were conducted, and the correlation coefficient between these two acquired signals is 0.92. With optimized precision and flexibility, the wearable dual-channel EEG system can be conveniently applied in out-of-laboratory EEG monitoring.
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institution Kabale University
issn 3004-9261
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publishDate 2025-01-01
publisher Springer
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spelling doaj-art-e192c0fe97314c3dbdd26b4dfac198ff2025-02-02T12:36:49ZengSpringerDiscover Applied Sciences3004-92612025-01-017211010.1007/s42452-025-06516-1Precision-and-flexibility optimized wearable dual-channel EEG acquisition systemFugui Qi0Chuantao Li1Yufei Jing2Fuming Chen3Department of Biomedical Engineering, Fourth Military Medical UniversityDepartment of Aviation Medicine, Naval Military Medical UniversityDepartment of Aviation Medicine, Naval Military Medical UniversityThe 940th Hospital of Joint Logistic Support Force of Chinese PLAAbstract Most wearable EEG acquisition devices rely on EEG caps and demand to carry a wired signal acquisition box. For many out-of-laboratory monitoring applications, it is necessary and significant to develop a novel flexible wearable EEG acquisition system with superior characteristics of small size, high precision and easy to wear. This technology combines a high-precision EEG signal acquisition chip with a high-input impedance preamplifier to enhance the quality of EEG signal acquisition. In addition, flexible printed circuit board and silicone encapsulation process are applied to ensure high flexibility with the best fit for the head. The classical experiments show that when the input voltage of the system is 10 μV–10 mV, the short-circuit noise is lower than 1.5 μV, the output error is smaller than 10%, the input impedance can reach 680 MΩ, and the dry electrode can obtain clear α waves in areas with hair. Additionally, to verify the accuracy of the system, synchronous EEG measurement experiments using the AD INSTRUMENT and the proposed device were conducted, and the correlation coefficient between these two acquired signals is 0.92. With optimized precision and flexibility, the wearable dual-channel EEG system can be conveniently applied in out-of-laboratory EEG monitoring.https://doi.org/10.1007/s42452-025-06516-1EEG signal acquisitionFlexibilityWearableStandard electrode socketHigh input impedance
spellingShingle Fugui Qi
Chuantao Li
Yufei Jing
Fuming Chen
Precision-and-flexibility optimized wearable dual-channel EEG acquisition system
Discover Applied Sciences
EEG signal acquisition
Flexibility
Wearable
Standard electrode socket
High input impedance
title Precision-and-flexibility optimized wearable dual-channel EEG acquisition system
title_full Precision-and-flexibility optimized wearable dual-channel EEG acquisition system
title_fullStr Precision-and-flexibility optimized wearable dual-channel EEG acquisition system
title_full_unstemmed Precision-and-flexibility optimized wearable dual-channel EEG acquisition system
title_short Precision-and-flexibility optimized wearable dual-channel EEG acquisition system
title_sort precision and flexibility optimized wearable dual channel eeg acquisition system
topic EEG signal acquisition
Flexibility
Wearable
Standard electrode socket
High input impedance
url https://doi.org/10.1007/s42452-025-06516-1
work_keys_str_mv AT fuguiqi precisionandflexibilityoptimizedwearabledualchanneleegacquisitionsystem
AT chuantaoli precisionandflexibilityoptimizedwearabledualchanneleegacquisitionsystem
AT yufeijing precisionandflexibilityoptimizedwearabledualchanneleegacquisitionsystem
AT fumingchen precisionandflexibilityoptimizedwearabledualchanneleegacquisitionsystem