A bioinspired flexible organic artificial afferent nerve

Title
A bioinspired flexible organic artificial afferent nerve
Authors
손동희김영인Alex ChortosWentao XuYuxin Liu오진영강지형Amir M. FoudehChenxin Zhu이영준Simiao NiuJia LiuRaphael PfattnerZhenan Bao이태우
Issue Date
2018-06
Publisher
Science
Citation
VOL 360, NO 6392-1003
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.
URI
http://pubs.kist.re.kr/handle/201004/67706
ISSN
0036-8075
Appears in Collections:
KIST Publication > Article
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