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An organic electrochemical neuron for a neuromorphic perception system
Northwestern Univ, IL 60208 USA; Zhejiang Univ, Peoples R China.
Northwestern Univ, IL 60208 USA; Univ Texas El Paso, TX 79968 USA.
Northwestern Univ, IL 60208 USA.
Zhejiang Univ, Peoples R China.
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2025 (Engelska)Ingår i: Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, E-ISSN 1091-6490, Vol. 122, nr 2, artikel-id e2414879122Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Human perception systems are highly refined, relying on an adaptive, plastic, and event- driven network of sensory neurons. Drawing inspiration from Nature, neuromorphic perception systems hold tremendous potential for efficient multisensory signal processing in the physical world; however, the development of an efficient artificial neuron with a widely calibratable spiking range and reduced footprint remains chalcomplementary circuitry enabled by an advanced n- type polymer for balanced p- /n- type of producing spikes with a widely calibratable state- of- the art firing frequency range of 0.130 to 147.1 Hz. Leveraging this capability, we develop a neuromorphic perception artificial synapse for tactile perception. The system successfully encodes tactile stimulations into frequency- dependent spikes, which are further converted into postsynaptic responses. This bioinspired design demonstrates significant potential to advance cyborg and neuromorphic systems, providing them with perceptual capabilities.

Ort, förlag, år, upplaga, sidor
NATL ACAD SCIENCES , 2025. Vol. 122, nr 2, artikel-id e2414879122
Nyckelord [en]
bioelectronics; neuromorphic; organic transistors; organic polymer
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Identifikatorer
URN: urn:nbn:se:liu:diva-211721DOI: 10.1073/pnas.2414879122ISI: 001411898100002PubMedID: 39773026Scopus ID: 2-s2.0-85215065765OAI: oai:DiVA.org:liu-211721DiVA, id: diva2:1938425
Anmärkning

Funding Agencies|Northwestern University; SHyNE Resource [NSF ECCS-2025633, NSF DMR-1720139]

Tillgänglig från: 2025-02-18 Skapad: 2025-02-18 Senast uppdaterad: 2025-02-18

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Fabiano, SimoneFacchetti, Antonio
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Laboratoriet för organisk elektronikTekniska fakulteten
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