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Article: Neural signal analysis with memristor arrays towards high-efficiency brain–machine interfaces

TitleNeural signal analysis with memristor arrays towards high-efficiency brain–machine interfaces
Authors
Issue Date2020
Citation
Nature Communications, 2020, v. 11, n. 1, article no. 4234 How to Cite?
AbstractBrain-machine interfaces are promising tools to restore lost motor functions and probe brain functional mechanisms. As the number of recording electrodes has been exponentially rising, the signal processing capability of brain–machine interfaces is falling behind. One of the key bottlenecks is that they adopt conventional von Neumann architecture with digital computation that is fundamentally different from the working principle of human brain. In this work, we present a memristor-based neural signal analysis system, where the bio-plausible characteristics of memristors are utilized to analyze signals in the analog domain with high efficiency. As a proof-of-concept demonstration, memristor arrays are used to implement the filtering and identification of epilepsy-related neural signals, achieving a high accuracy of 93.46%. Remarkably, our memristor-based system shows nearly 400× improvements in the power efficiency compared to state-of-the-art complementary metal-oxide-semiconductor systems. This work demonstrates the feasibility of using memristors for high-performance neural signal analysis in next-generation brain–machine interfaces.
Persistent Identifierhttp://hdl.handle.net/10722/334680
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLiu, Zhengwu-
dc.contributor.authorTang, Jianshi-
dc.contributor.authorGao, Bin-
dc.contributor.authorYao, Peng-
dc.contributor.authorLi, Xinyi-
dc.contributor.authorLiu, Dingkun-
dc.contributor.authorZhou, Ying-
dc.contributor.authorQian, He-
dc.contributor.authorHong, Bo-
dc.contributor.authorWu, Huaqiang-
dc.date.accessioned2023-10-20T06:49:53Z-
dc.date.available2023-10-20T06:49:53Z-
dc.date.issued2020-
dc.identifier.citationNature Communications, 2020, v. 11, n. 1, article no. 4234-
dc.identifier.urihttp://hdl.handle.net/10722/334680-
dc.description.abstractBrain-machine interfaces are promising tools to restore lost motor functions and probe brain functional mechanisms. As the number of recording electrodes has been exponentially rising, the signal processing capability of brain–machine interfaces is falling behind. One of the key bottlenecks is that they adopt conventional von Neumann architecture with digital computation that is fundamentally different from the working principle of human brain. In this work, we present a memristor-based neural signal analysis system, where the bio-plausible characteristics of memristors are utilized to analyze signals in the analog domain with high efficiency. As a proof-of-concept demonstration, memristor arrays are used to implement the filtering and identification of epilepsy-related neural signals, achieving a high accuracy of 93.46%. Remarkably, our memristor-based system shows nearly 400× improvements in the power efficiency compared to state-of-the-art complementary metal-oxide-semiconductor systems. This work demonstrates the feasibility of using memristors for high-performance neural signal analysis in next-generation brain–machine interfaces.-
dc.languageeng-
dc.relation.ispartofNature Communications-
dc.titleNeural signal analysis with memristor arrays towards high-efficiency brain–machine interfaces-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1038/s41467-020-18105-4-
dc.identifier.pmid32843643-
dc.identifier.scopuseid_2-s2.0-85089795840-
dc.identifier.volume11-
dc.identifier.issue1-
dc.identifier.spagearticle no. 4234-
dc.identifier.epagearticle no. 4234-
dc.identifier.eissn2041-1723-
dc.identifier.isiWOS:000567536300002-

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