Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

RC Circuit without Source01:16

RC Circuit without Source

1.1K
When a DC source is abruptly disconnected from an RC (Resistor-Capacitor) circuit, the circuit becomes source-free. Assuming that the capacitor was fully charged before the source was removed, its initial voltage, denoted as V0, can be considered as the initial energy that stimulates the circuit.
Applying Kirchhoff's current law at the top node of the circuit and substituting the current values across the components, a first-order differential equation is obtained. By rearranging the terms...
1.1K
Bridge rectifier01:24

Bridge rectifier

542
The bridge rectifier is essential in electronics for efficiently converting alternating current (AC) to direct current (DC). Comprised of four diodes configured in a bridge layout, this rectifier effectively processes both the positive and negative halves of the AC waveform, making it superior to half-wave and full-wave center-tapped rectifiers in terms of voltage regulation and output stability.
Operationally, the bridge rectifier allows current flow through two of its diodes during each...
542
Parallel RLC Circuits01:14

Parallel RLC Circuits

855
Street lamps equipped with RLC surge protectors are an excellent example of applying circuit analysis in practical scenarios. These surge protectors safeguard the lamp's components against sudden voltage spikes.
A simplified parallel RLC circuit model with a DC input source generating a step response is employed in this context. When the switch is turned on, Kirchhoff's current law is applied, leading to a second-order differential equation.
855
Clamper Circuit01:14

Clamper Circuit

373
A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to...
373
Action Potential: Phases of Stimulation01:28

Action Potential: Phases of Stimulation

5.2K
The action potential is a complex electrical event that occurs in excitable cells, such as neurons and muscle cells. It consists of several distinct phases, each with specific characteristics.
Resting Phase:
In this phase, the cell's membrane is at its resting potential, typically around -70 millivolts (mV) for neurons. Inside the cell, there is a higher concentration of potassium ions (K+) and a lower concentration of sodium ions (Na+). Voltage-gated sodium channels are closed, and...
5.2K
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

178
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
178

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Ventral Column Spinal Cord Stimulation for Refractory Back and Leg Pain: A Case Series.

American journal of physical medicine & rehabilitation·2026
Same author

Single-Electrode, Bidirectional Control of Heart Rate via Vagus Nerve Modulation in Rat Model.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society·2026
Same author

Temporal properties of direct current sensory block of the rat sciatic nerve using the C-fiber reflex.

Journal of neural engineering·2025
Same author

Electrophysiological Methods to Assess Peripheral Pain Block in an Anesthetized Rat.

Journal of visualized experiments : JoVE·2025
Same author

Closed-loop electrical block of vagus nerve scales from rodent to porcine cardiac models.

Journal of neural engineering·2025
Same author

Temporal properties of transcutaneous direct current motor conduction block.

Journal of neural engineering·2025

相关实验视频

Updated: Jun 12, 2025

Desensitization and Recovery of Crayfish Photoreceptors Upon Delivery of a Light Stimulus
06:43

Desensitization and Recovery of Crayfish Photoreceptors Upon Delivery of a Light Stimulus

Published on: November 9, 2019

6.6K

使用再极化加速恢复DC阻断使用再极化

Tina L Vrabec1, Kevin L Kilgore1, Jesse S Wainright2

  • 1Case Western Reserve University 10900 Euclid Ave., Cleveland, Ohio.

International IEEE/EMBS Conference on Neural Engineering : [proceedings]. International IEEE EMBS Conference on Neural Engineering
|September 18, 2024
PubMed
概括

使用分离接口神经电极 (SINE) 逆转电流可显著加快神经信号在阻塞后的恢复. 这种方法可以减少多达50%的恢复时间,使神经功能更快地恢复.

更多相关视频

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

10.4K
In Vivo Intracellular Recording of Type-Identified Rat Spinal Motoneurons During Trans-Spinal Direct Current Stimulation
11:07

In Vivo Intracellular Recording of Type-Identified Rat Spinal Motoneurons During Trans-Spinal Direct Current Stimulation

Published on: May 11, 2020

5.2K

相关实验视频

Last Updated: Jun 12, 2025

Desensitization and Recovery of Crayfish Photoreceptors Upon Delivery of a Light Stimulus
06:43

Desensitization and Recovery of Crayfish Photoreceptors Upon Delivery of a Light Stimulus

Published on: November 9, 2019

6.6K
Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

10.4K
In Vivo Intracellular Recording of Type-Identified Rat Spinal Motoneurons During Trans-Spinal Direct Current Stimulation
11:07

In Vivo Intracellular Recording of Type-Identified Rat Spinal Motoneurons During Trans-Spinal Direct Current Stimulation

Published on: May 11, 2020

5.2K

科学领域:

  • 生物医学工程 生物医学工程
  • 神经科学是一个神经科学.
  • 医疗器械 医疗器械

背景情况:

  • 直流 (DC) 刺激可以达到神经阻塞,但常规电极可能会损害神经.
  • 分离接口神经电极 (SINE) 通过使用离子介质从神经中隔离反应来减轻损伤.
  • 长时间使用SINE的神经阻塞会导致神经反应的延迟恢复.

研究的目的:

  • 通过使用SINE来研究使用阻塞后实现即时神经恢复的方法.
  • 为了确定逆转电流的极性是否可以加速神经反应的恢复.

主要方法:

  • 使用SINE在阻塞值处进行了10分钟的完整神经阻塞.
  • 电流被反转了不同的时间,以评估其对恢复时间的影响.
  • 在刺激期后测量神经反应恢复.

主要成果:

  • 逆转当前的极性有效地减少了神经反应恢复所需的时间.
  • 恢复时间根据反向电流应用的持续时间减少了多达50%.
  • 这表明了一种方法,可以实现近乎瞬间的神经恢复.

结论:

  • 用SINE逆流刺激是一种可行的策略,可以加速神经信号恢复后阻塞.
  • 这种技术为需要快速恢复功能的应用提供了比标准SINE应用显著的改进.
  • 优化逆流持续时间是最大化恢复速度的关键.