A bioinspired flexible organic artificial afferent nerve

Science
Yeongin KimTae-Woo Lee

Abstract

The distributed network of receptors, neurons, and synapses in the somatosensory system efficiently processes complex tactile information. We used flexible organic electronics to mimic the functions of a sensory nerve. Our artificial afferent nerve collects pressure information (1 to 80 kilopascals) from clusters of pressure sensors, converts the pressure information into action potentials (0 to 100 hertz) by using ring oscillators, and integrates the action potentials from multiple ring oscillators with a synaptic transistor. Biomimetic hierarchical structures can detect movement of an object, combine simultaneous pressure inputs, and distinguish braille characters. Furthermore, we connected our artificial afferent nerve to motor nerves to construct a hybrid bioelectronic reflex arc to actuate muscles. Our system has potential applications in neurorobotics and neuroprosthetics.

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Citations

Jun 2, 2018·Science·Chiara Bartolozzi
Oct 23, 2018·Advanced Materials·Yei Hwan JungTae-Il Kim
Dec 28, 2018·Advanced Materials·Guoyun GaoZhong Lin Wang
Jan 9, 2019·Advanced Materials·Magnus BerggrenIgor Zozoulenko
Mar 13, 2019·Advanced Materials·Erica ZeglioAnna Herland
May 11, 2019·Chemical Society Reviews·Naoji MatsuhisaTakao Someya
Apr 18, 2019·Bioinspiration & Biomimetics·Yonggang JiangDeyuan Zhang
Aug 1, 2019·Advanced Materials·Changjin WanXiaodong Chen
Jul 17, 2019·Nature Nanotechnology·Feichi ZhouYang Chai
Feb 21, 2019·Advanced Materials·Jia SunJeong Ho Cho
Sep 29, 2019·Advanced Materials·Hea-Lim ParkTae-Woo Lee
Oct 5, 2019·Advanced Materials·Hongguang ShenDaoben Zhu
Jan 19, 2019·Nanoscale Research Letters·Qiang ZhangShengbo Sang
Jan 25, 2020·Advanced Materials·Ting-Yu QuDong-Ming Sun
Dec 6, 2019·Advanced Materials·Ke HeXiaodong Chen
Jul 6, 2019·Advanced Materials·Jidong ShiXiaoming Tao
Dec 24, 2019·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Mahesh Soni, Ravinder Dahiya
Mar 5, 2020·Advanced Materials·Brian ElderYong Lin Kong
Jun 6, 2020·Advanced Materials·Kai XiaoMarkus Antonietti
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Mar 7, 2020·Nature·Yang Chai

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