相关实验视频

Updated: Jun 3, 2025

Studying the Neural Basis of Adaptive Locomotor Behavior in Insects

Studying the Neural Basis of Adaptive Locomotor Behavior in Insects

Published on: April 13, 2011

在正常行走过程中,肌肉活动与电刺激触觉线索的模式识别之间的相互作用:试点研究

Yoosun Kim¹, Sejun Park¹, Seungtae Yang²

¹School of Mechanical Engineering, Chung-Ang University, 84 Heukseok-Ro, Dongjak District, Seoul 06974, Republic of Korea.

Bioengineering (Basel, Switzerland)

|January 8, 2025

概括

走路时肌肉激活较高,可以更一致地识别电刺激带来的触觉线索. 这项研究探讨了肌肉活动.

科学领域:

* 神经科学是一门神经科学.
* 生物力学生物力学
* 人与计算机的交互

背景情况:

*了解人类对人工感官刺激的神经肌肉反应对于开发先进的触觉技术至关重要.
* 肌肉激活模式与触觉线索的感知之间的关系尚未完全理解.

研究的目的:

* 调查肌肉激活如何影响通过电刺激 (ES) 传递的触觉线索的识别在行走步态周期 (GC) 期间.
* 评估电肌图 (EMG) 信号与触觉感知模式之间的相关性.

主要方法:

*试点研究涉及三名健康成年人在跑步机上行走.
* 电刺激 (ES) 应用于腹半侧肌 (GL) 和双臂肌 (BB) 肌肉.
*动态时间变形 (DTW) 用于将EMG信号与肌肉识别模式进行比较.

主要成果:

* 参与者之间观察到可变的触觉暗示识别模式.
* 腹肌侧面 (GL),肌肉激活较高,显示明显更一致的感知 (DTW距离4.87±0.21) 比双臂 (BB) (8.65±1.36).
*DTW距离的相对差异为78.6%,表明较高的肌肉激活通常与更可靠的触觉感知相关.

结论:

*较高的肌肉激活与来自电刺激的更一致的触觉感知有关.
*神经肌肉反应的个体变化显著影响触觉暗示识别.
* 表明肌肉活动水平与人工感官反的忠实性之间存在潜在的联系.

关键词:

电刺激是一种电刺激.电动肌谱学电动肌谱学触觉暗示是触觉暗示.模式识别模式识别模式识别走路走路,走路走路,走路走路.

更多相关视频

Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis

Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis

Published on: July 22, 2014

Assessment of Neuromuscular Function Using Percutaneous Electrical Nerve Stimulation

Assessment of Neuromuscular Function Using Percutaneous Electrical Nerve Stimulation

Published on: September 13, 2015

相关概念视频

Muscle Stimulation Frequency

Muscle Stimulation Frequency

The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...

Motor Unit Stimulation

Motor Unit Stimulation

When the neuron of a motor unit fires an action potential, it triggers a series of events, leading to a twitch contraction in the muscle fibers. The process of excitation-contraction coupling is crucial in relaying the action potential to the muscle fibers.
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...