A bioinspired flexible organic artificial afferent nerve
- A bioinspired flexible organic artificial afferent nerve
- 손동희; 김영인; Alex Chortos; Wentao Xu; Yuxin Liu; 오진영; 강지형; Amir M. Foudeh; Chenxin Zhu; 이영준; Simiao Niu; Jia Liu; Raphael Pfattner; Zhenan Bao; 이태우
- Issue Date
- VOL 360, NO 6392-1003
- 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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