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Ion trap and release dynamics enables nonintrusive tactile augmentation in monolithic sensory neuron.


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.

SUBMITTER: Kweon H 

PROVIDER: S-EPMC10584339 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature

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Ion trap and release dynamics enables nonintrusive tactile augmentation in monolithic sensory neuron.

Kweon Hyukmin H   Kim Joo Sung JS   Kim Seongchan S   Kang Haisu H   Kim Dong Jun DJ   Choi Hanbin H   Roe Dong Gue DG   Choi Young Jin YJ   Lee Seung Geol SG   Cho Jeong Ho JH   Kim Do Hwan DH  

Science advances 20231018 42


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 init  ...[more]

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