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Related Concept Videos

Peripheral Nervous System: Ganglia and Nerves01:24

Peripheral Nervous System: Ganglia and Nerves

The Peripheral Nervous System (PNS) is a crucial component of the body's neural network, extending beyond the central nervous system (CNS) to bridge the gap between the CNS and the external environment. It encompasses nerves, ganglia, and sensory receptors.
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The nervous system coordinates body functions through its complex network of nerve cells, enabling sensation and movement. It is divided into two primary parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is composed of the brain and the spinal cord. The brain acts as the body's control center, processing sensory information and coordinating responses. The spinal cord functions as a major signaling pathway for the brain and the rest of the body.
Extending...
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Autonomic Nervous System: Overview01:26

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The human nervous system is divided into two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is composed of the brain and spinal cord, while the PNS contains nerve cells, clusters of nerve cells, and the sensory receptors that are outside the CNS. The PNS has two types of nerve cells: sensory (afferent) and motor (efferent). Sensory cells send signals to the CNS from receptors, and motor cells carry signals from the CNS to organs, muscles, and...

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Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing
07:13

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Published on: October 20, 2021

A distributed architecture for activating the peripheral nervous system.

David Andreu1, David Guiraud, Guillaume Souquet

  • 1DEMAR team, INRIA-LIRMM, 161 Rue Ada, 34392 Montpellier Cedex 5, France. David.Andreu@lirmm.fr

Journal of Neural Engineering
|February 14, 2009
PubMed
Summary
This summary is machine-generated.

A novel networked system for functional electrical stimulation (FES) uses distributed stimulation units (DSU) for safer, more efficient nerve activation. This less invasive approach aids motor function restoration research.

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Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Rehabilitation Technology

Background:

  • Functional electrical stimulation (FES) is crucial for restoring motor function.
  • Current FES systems face challenges in complexity, invasiveness, and stimulation precision.
  • Advanced control and safety features are needed for effective FES applications.

Purpose of the Study:

  • To introduce a new networked system for FES applications.
  • To enhance safety, flexibility, and efficiency in peripheral nerve stimulation.
  • To facilitate research into optimal methods for motor function restoration.

Main Methods:

  • Development of a system based on networked distributed stimulation units (DSU).
  • DSUs incorporate advanced analog circuits for multipolar/multiphase stimulation and digital circuits for safety and control.
  • A two-wire bus facilitates communication, minimizing bandwidth requirements.

Main Results:

  • The network-based stimulation architecture was successfully tested on benchtop stimulators.
  • The system enables multipolar and multiphasic stimulation profiles with enhanced safety.
  • Reduced complexity in surgical approach and master-to-unit communication was achieved.

Conclusions:

  • The proposed DSU architecture offers a less invasive and more versatile FES system.
  • This approach supports broad exploration of peripheral nerve stimulation methods.
  • It serves as a powerful research tool for optimizing FES in motor function restoration.