Event related desynchronization-modulated functional electrical stimulation system for stroke rehabilitation: A feasibility study

Mitsuru Takahashi, Kotaro Takeda, Yohei Otaka, Rieko Osu, Takashi Hanakawa, Manabu Gouko, Koji Ito

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

Background: We developed an electroencephalogram-based brain computer interface system to modulate functional electrical stimulation (FES) to the affected tibialis anterior muscle in a stroke patient. The intensity of FES current increased in a stepwise manner when the event-related desynchronization (ERD) reflecting motor intent was continuously detected from the primary cortical motor area. Methods: We tested the feasibility of the ERD-modulated FES system in comparison with FES without ERD modulation. The stroke patient who presented with severe hemiparesis attempted to perform dorsiflexion of the paralyzed ankle during which FES was applied either with or without ERD modulation. Results: After 20 minutes of training, the range of movement at the ankle joint and the electromyography amplitude of the affected tibialis anterior muscle were significantly increased following the ERD-modulated FES compared with the FES alone. Conclusions: The proposed rehabilitation technique using ERD-modulated FES for stroke patients was feasible. The system holds potentials to improve the limb function and to benefit stroke patients.

Original languageEnglish
Article number56
JournalJournal of NeuroEngineering and Rehabilitation
Volume9
Issue number1
DOIs
Publication statusPublished - 2012
Externally publishedYes

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Feasibility Studies
Electric Stimulation
Stroke
Brain-Computer Interfaces
Muscles
Ankle Joint
Stroke Rehabilitation
Computer Systems
Motor Cortex
Electromyography
Paresis
Ankle
Electroencephalography
Rehabilitation
Extremities

Keywords

  • Brain Computer Interface (BCI)
  • Brain Machine Interface (BMI)
  • Hemiparesis
  • Hemiplegia
  • Motor functional recovery

ASJC Scopus subject areas

  • Rehabilitation
  • Health Informatics

Cite this

Event related desynchronization-modulated functional electrical stimulation system for stroke rehabilitation : A feasibility study. / Takahashi, Mitsuru; Takeda, Kotaro; Otaka, Yohei; Osu, Rieko; Hanakawa, Takashi; Gouko, Manabu; Ito, Koji.

In: Journal of NeuroEngineering and Rehabilitation, Vol. 9, No. 1, 56, 2012.

Research output: Contribution to journalArticle

Takahashi, Mitsuru ; Takeda, Kotaro ; Otaka, Yohei ; Osu, Rieko ; Hanakawa, Takashi ; Gouko, Manabu ; Ito, Koji. / Event related desynchronization-modulated functional electrical stimulation system for stroke rehabilitation : A feasibility study. In: Journal of NeuroEngineering and Rehabilitation. 2012 ; Vol. 9, No. 1.
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