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In Vivo Intracelular Gravação de Motoneurons vertebrais de rato identificados tipo durante estimulação de corrente direta trans-espinhal
JoVE Journal
Neuroscience
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JoVE Journal Neuroscience
In Vivo Intracellular Recording of Type-Identified Rat Spinal Motoneurons During Trans-Spinal Direct Current Stimulation
DOI:

11:07 min

May 11, 2020

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Chapters

  • 00:04Introduction
  • 00:45Intravenous Line Placement
  • 01:47Tracheal Tube Introduction
  • 02:24Hind Limb Nerve Dissection
  • 03:19Laminectomy
  • 03:50Recording and Stimulation Preparation
  • 04:46Surface Electrode Placement
  • 05:54Dura and Pia Mater Opening
  • 06:28Trans-Spinal Direct Current Stimulation (tsDCS) Electrode Placement and Motoneuron racking and Penetration
  • 07:07Motoneuron Membrane and Firing Property Recording and tsDCS
  • 08:37Results: Representative Action Potentials and Membrane Property Analyses
  • 10:24Conclusion

Summary

Automatic Translation

Este protocolo descreve a gravação intracelular in vivo de motoneurons lombares de rato com estimulação simultânea de corrente trans-espinhal. O método permite medir as propriedades da membrana e registrar disparos rítmicos de motoneurons antes, durante e depois da polarização anodal ou catódal da medula espinhal.

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