Percutaneous electrical stimulation of corticospinal pathways at the level of the pyramidal decussation in humans.

@article{Ugawa1991PercutaneousES,
  title={Percutaneous electrical stimulation of corticospinal pathways at the level of the pyramidal decussation in humans.},
  author={Yoshihiro Ugawa and John C. Rothwell and B. L. Day and Philip Douglas Thompson and C. David Marsden},
  journal={Annals of neurology},
  year={1991},
  volume={29 4},
  pages={418-27}
}
Stimulation over the base of the skull can activate descending motor pathways to produce electromyographic (EMG) responses in muscles of the arm and leg. The evoked EMG responses were larger when the muscles were preactivated by a small voluntary contraction compared to when they were completely relaxed. The latency of these responses in preactivated muscles was approximately midway between that produced by electrical stimulation over the motor cortex, and by electrical stimulation over the… CONTINUE READING
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