Investigation of Embodiment for Upper Limb Amputees

上肢截肢者的躯体化研究

基本信息

  • 批准号:
    10709524
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2020
  • 资助国家:
    美国
  • 起止时间:
    2020-11-01 至 2026-10-31
  • 项目状态:
    未结题

项目摘要

Project Summary Today, prosthetic hands are numb. They provide no tactile or proprioceptive sensory information back to the user. The lack of sensory feedback has been shown to reduce the utility of a prosthesis by half. The prosthesis is seen as a tool, not as an incorporated part of the body schema. Only now are there chronically-implantable technologies which can provide physiologically appropriate sensory feedback to upper limb amputees to recreate tactile and proprioceptive percepts. These sensations are the building blocks to enable the embodiment of the device. Furthermore, newly developed outcome measures are now available which can detail the improved embodiment such neural interfaces can create. My mission is to enable the embodiment of artificial devices using peripheral nerve stimulation and thereby close the gap between the experience of our intact physiological systems and those using prosthetic remedies. This investigation of embodiment for upper limb amputees is organized into three main areas of work including 1) normative data collection, 2) device development, and 3) characterization of embodiment using peripheral nerve stimulation. The normative data collection will quantify the embodiment of conventional cosmetic, body-powered, and myoelectric prosthetic hand options using a modified Rubber Hand Illusion protocol (Specific Aim 1). This thrust will ask how does the amount of embodiment vary among conventional prosthetic hands as well as probe the relationship between agency and embodiment. The device development project entails the design of multi-modal sensors in order to study full-hand embodiment (Specific Aim 2). The ability to measure and then elicit sensation on the passive surfaces of the hand (palm, ulnar border, and dorsal surface) has never been explored. Here, a multi-modal sensor which can detect proximity, contact, and force will be integrated into a commercially available prosthetic hand in order to provide detailed measurements across the palm, ulnar border, and dorsal surfaces in order to study embodiment in more depth. Finally, the characterization of embodiment using peripheral nerve stimulation will take place over a multiple subject factorial experiment which quantifies the effects of quantity and spatial parameters of the peripheral nerve stimulation on the embodiment of prosthetic hands (Specific Aim 3). This study asks what somatosensory percepts from the hand are most critical for embodiment by varying the parameters of the peripheral nerve stimulation (quantity and spatiality) and measuring the level of embodiment in each case. This investigation will be the first thorough (multiple subjects with peripheral nerve interfaces), systematic (paired factorial design), and exhaustive (using all electrodes in the neural interface) study to be performed. Finally, an additional goal to the scientific mission of this proposal is the creation of the Neural Interface and Sensory Restoration Laboratory in the Rocky Mountain Regional VA Medical Center. I will direct this laboratory to be a complementary entity to Dr. Tyler’s Functional Neural Interface Laboratory to study peripheral nerve interfaces with upper limb amputees in the VA RR&D division. Now, more advanced methodologies can be explored and more scientific breakthroughs can be initiated with the goal of providing Veterans with amputation an artificial limb, as opposed to just a prosthetic tool.
项目总结

项目成果

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Jacob Segil其他文献

Jacob Segil的其他文献

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{{ truncateString('Jacob Segil', 18)}}的其他基金

Multi-Modal Fingertip Sensors for Prosthetic Hand Control and Feedback
用于假手控制和反馈的多模式指尖传感器
  • 批准号:
    10384800
  • 财政年份:
    2021
  • 资助金额:
    --
  • 项目类别:
Investigation of Embodiment for Upper Limb Amputees
上肢截肢者的躯体化研究
  • 批准号:
    10290316
  • 财政年份:
    2020
  • 资助金额:
    --
  • 项目类别:
Investigation of Embodiment for Upper Limb Amputees
上肢截肢者的躯体化研究
  • 批准号:
    10490285
  • 财政年份:
    2020
  • 资助金额:
    --
  • 项目类别:
Integration of a Sensory Feedback Implant with Myoelectric Prosthetic Hands
感觉反馈植入物与肌电假手的集成
  • 批准号:
    9194230
  • 财政年份:
    2017
  • 资助金额:
    --
  • 项目类别:

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