相关实验视频

Updated: Jul 16, 2025

Author Spotlight: Translational Applications of Stimulated SFEMG in Rodent Models

Author Spotlight: Translational Applications of Stimulated SFEMG in Rodent Models

Published on: March 8, 2024

基于铁电CuInP₂S₆/GaN HEMT增强反射和眼运动动力学的人工神经肌肉结

Minseong Park¹, Jeong Yong Yang², Min Jae Yeom²

¹Department of Electrical and Computer Engineering, University of Virginia, Charlottesville, VA 22904, USA.

Science advances

|September 22, 2023

概括

研究人员使用一种新的铁电材料创建了一个人工神经肌肉结 (NMJ). 这种生物灵感的设备模仿肌肉激活和可塑性,使机器人和视觉系统可以在没有放大器的情况下启动.

科学领域:

材料科学材料科学材料科学
神经科学是一个神经科学.
机器人技术机器人技术机器人技术

背景情况:

神经肌肉结节 (NMJs) 控制肌肉激活,需要高功率和突触可塑性.
模拟NMJ是具有挑战性的,因为需要高能输出和可适应的信号.
现有的人工系统往往难以平衡起动功率与突触学习能力.

研究的目的:

开发一种人工神经肌肉结 (NMJ),可以有效模拟生物功能.
为了提高性能,将铁电特性与晶体管技术相结合.
为了证明这种人工NMJ在生物灵感机器人和神经形态视觉中的潜力.

主要方法:

使用CuInP2S6 (CIPS) 铁电材料与AlGaN/GaN高电子移动性晶体管 (HEMT) 集成制造人工NMJ.
利用CIPS的铁电特性与HEMT中的2D电子气体通道相结合.
描述设备的可编程电流范围和执行功能.

主要成果:

实现了从6 picoampere/mm到5 milliampere/mm的广泛可编程电流范围.
证明了无放大器的启动,模仿生物NMJ功能.
成功模拟眼运动动力学,包括现场物体跟踪和增强的刺激反应.

结论:

CIPS/GaN铁电HEMT (FeHEMT) 有效模拟生物NMJ功能.
人工NMJ为生物灵感机器人和神经形态视觉应用提供了一个有前途的平台.
这项技术为先进的人工系统铺平了道路,这些系统具有联合的驱动和可塑性.

更多相关视频

Engineering and Characterization of an Optogenetic Model of the Human Neuromuscular Junction

Engineering and Characterization of an Optogenetic Model of the Human Neuromuscular Junction

Published on: April 14, 2022

Generation of Human Motor Units with Functional Neuromuscular Junctions in Microfluidic Devices

Generation of Human Motor Units with Functional Neuromuscular Junctions in Microfluidic Devices

Published on: September 7, 2021

相关概念视频

The Neuromuscular Junction

The Neuromuscular Junction

The nervous system consists of complex motor neuron circuits, including upper motor neurons originating from the cerebral cortex and lower motor neurons starting in the spinal cord, coordinating both voluntary and involuntary movements. Among these, somatic motor neurons activate skeletal muscles and are classified into alpha, beta, and gamma types. Alpha neurons are vital for voluntary movement coordination, while gamma neurons adjust muscle spindle sensitivity, and the function of beta...

Neuromuscular Junction And Blockade

Neuromuscular Junction And Blockade

The site of chemical communication between a motor neuron and a muscle fiber is called the neuromuscular junction (NMJ). The end of the motor neuron at the NMJ divides into a cluster of synaptic end bulbs. The cytoplasm of these bulbs consists of synaptic vesicles enclosing acetylcholine molecules, the principal neurotransmitter released at the NMJ. The region opposite the synaptic bulb that ends in the muscle fiber is called the motor end plate, which has acetylcholine receptors. Within the...