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探索通过皮肤进行电刺激以获得上肢假肢中的自感反:一项试点研究

Eleonora Fontana1, Gabriele Natili2, Manuel G Catalano2

  • 1Centro di Ricerca E. Piaggio and Department of Information Engineering, University of Pisa, 56122, Pisa, Italy. eleonora.fontana@phd.unipi.it.

Journal of neuroengineering and rehabilitation
|November 18, 2025
PubMed
概括

通过皮肤电刺激 (TES) 通过增强自身感知反来改善假肢控制. 这种非侵入性方法改善了用户的动感知觉和对象歧视,这表明了对先进的假肢应用的潜力.

关键词:
外骨架是外骨的组成部分.触觉和触觉接口 触觉接口和触觉接口自己的感觉 (proprioception) 是自己的感觉.假肢手术 假肢手术是一门专业.通过皮肤进行电刺激.

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科学领域:

  • 生物医学工程 生物医学工程
  • 神经科学是一个神经科学.
  • 康复科学 康复科学 康复科学

背景情况:

  • 肌电上肢假肢使用者往往会经历自身感知缺陷,影响肢体位置和运动感知.
  • 开发增强感官反的策略对于改善假肢功能至关重要.
  • 通过皮肤进行电刺激 (TES) 是一种调节运动感知和自身感知的方法.

研究的目的:

  • 调查TES对动感知觉的影响.
  • 评估TES在使用肌电假肢进行功能任务时增强感官反的潜力.

主要方法:

  • 进行了两项实验,涉及有能力参与者和一个假肢用户.
  • 实验1:TES应用于手指 flexor 肌肉,以评估运动感知.
  • 实验2:TES与肌电假肢相结合,用于对象歧视任务.

主要成果:

  • TES诱导了手指延伸的错觉 (在健康人群中超过1厘米,在假肢用户中高达4毫米).
  • TES提高了对象区分的准确性 (在无障碍者中超过80%,在假肢用户中超过85%).

结论:

  • TES是一种有前途的非侵入性技术,用于增强假肢使用者的自感反.
  • 最初的结果表明,TES可以改善动感知和功能性任务性能.
  • 对于现实世界的假肢应用,需要进一步细化TES参数,并将其集成到结构化的环境中.