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Ion trap and release dynamics enables nonintrusive tactile augmentation in monolithic sensory neuronopen access

Authors
Kweon, HyukminKim, Joo SungKim, SeongchanKang, HaisuKim, Dong JunChoi, HanbinRoe, Dong GueChoi, Young JinLee, Seung GeolCho, Jeong HoKim, Do Hwan
Issue Date
Oct-2023
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Citation
Science advances, v.9, no.42, pp.1 - 10
Indexed
SCIE
SCOPUS
Journal Title
Science advances
Volume
9
Number
42
Start Page
1
End Page
10
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/192175
DOI
10.1126/sciadv.adi3827
ISSN
2375-2548
Abstract
An iontronic-based artificial tactile nerve is a promising technology for emulating the tactile recognition and learning of human skin with low power consumption. However, its weak tactile memory and complex integration structure remain challenging. We present an ion trap and release dynamics (iTRD)-driven, neuro-inspired monolithic artificial tactile neuron (NeuroMAT) that can achieve tactile perception and memory consolidation in a single device. Through the tactile-driven release of ions initially trapped within iTRD-iongel, NeuroMAT only generates nonintrusive synaptic memory signals when mechanical stress is applied under voltage stimulation. The induced tactile memory is augmented by auxiliary voltage pulses independent of tactile sensing signals. We integrate NeuroMAT with an anthropomorphic robotic hand system to imitate memory-based human motion; the robust tactile memory of NeuroMAT enables the hand to consistently perform reliable gripping motion.
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