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Related Experiment Video

Updated: May 13, 2026

Combined Peripheral Nerve Stimulation and Controllable Pulse Parameter Transcranial Magnetic Stimulation to Probe Sensorimotor Control and Learning
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Magnetic-motor-root stimulation: review.

Hideyuki Matsumoto1, Ritsuko Hanajima, Yasuo Terao

  • 1Department of Neurology, Japanese Red Cross Medical Center, Tokyo, Japan. hideyukimatsumoto.jp@gmail.com

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
|March 15, 2013
PubMed
Summary

Recent advancements in magnetic-neuroforamina stimulation, including the MATS coil, enable precise evaluation of peripheral nerve and corticospinal tract conduction. This overcomes previous limitations, allowing for accurate measurements of motor-conduction times.

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Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Clinical Electrophysiology

Background:

  • Magnetic stimulation offers non-invasive activation of the nervous system.
  • Previous magnetic-neuroforamina stimulation had limitations in achieving supramaximal activation and evaluating cauda equina conduction.
  • This hindered its use in peripheral nerve conduction studies.

Purpose of the Study:

  • To review recent advancements in magnetic-motor-root stimulation.
  • To highlight the development and application of the magnetic augmented translumbosacral stimulation (MATS) coil.
  • To discuss the improved evaluation of peripheral nerve and corticospinal tract conduction.

Main Methods:

  • Utilizing increased magnetic-stimulator output and the novel MATS coil for magnetic-neuroforamina stimulation.

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Last Updated: May 13, 2026

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  • Achieving supramaximal compound-muscle action potential (CMAP) activation.
  • Measuring peripheral motor-conduction time (PMCT), cauda equina conduction time (CECT), and cortico-conus motor-conduction time (CCCT).

    • Main Results:

    • Supramaximal CMAPs are now obtainable with the MATS coil.
    • Reliable activation of the proximal cauda equina is achieved.
    • Precise measurements of CECT and CCCT are now possible, enhancing diagnostic capabilities.

    Conclusions:

    • Recent developments in magnetic-motor-root stimulation significantly improve the evaluation of proximal peripheral nerve and corticospinal tract conduction.
    • The MATS coil is a key innovation enabling these advancements.
    • These improvements offer more precise clinical applications for assessing lower-limb motor function.