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Related Experiment Video

Updated: Jun 18, 2026

Corticospinal Excitability Modulation During Action Observation
12:33

Corticospinal Excitability Modulation During Action Observation

Published on: December 31, 2013

Surface electrical stimulation to realize task oriented hand motion.

Takuya Watanabe1, Yoshihiko Tagawa, Eiichiro Nagasue

  • 1Graduate School of the Kyushu Institute of Technology, 1-1 Sensui-cho, Tobata-ku, Kitakyusyu-shi, Fukuoka, 804-0550, Japan. i344228t@tobata.isc.kyutech.ac.jp

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|December 8, 2009
PubMed
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This study introduces a novel surface electrical stimulation method to restore hand and finger function in individuals with paralysis. The technique maps optimal stimulation sites to achieve functional movements like grasping and pinching.

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Rehabilitation Medicine

Background:

  • Upper extremity paralysis due to brain or spinal cord injury significantly impacts daily living.
  • Restoring functional hand and finger movements is a critical goal in neurorehabilitation.

Purpose of the Study:

  • To present a new surface electrical stimulation approach for functional hand and finger movements.
  • To demonstrate the feasibility of this technique in healthy subjects and individuals with spinal cord injury.

Main Methods:

  • Identifying optimal electrical stimulation sites on the surface of the affected limb.
  • Applying multi-channel electrical surface stimulation to elicit specific hand and finger movements.
  • Testing the approach for grasping and three-digit pinching tasks.

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Last Updated: Jun 18, 2026

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Published on: December 31, 2013

Assessing Corticospinal Excitability During Goal-Directed Reaching Behavior
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Assessing Corticospinal Excitability During Goal-Directed Reaching Behavior

Published on: December 2, 2022

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Main Results:

  • Successful induction of hand grasping and three-digit pinching in a healthy subject.
  • Demonstrated preliminary training results in two adults with C6-level spinal cord injury.

Conclusions:

  • Surface electrical stimulation is a promising approach for restoring hand function after paralysis.
  • Further research and training are warranted to optimize this technique for clinical application.