Electro-Haptic Stimulation: A New Approach for Improving Cochlear-Implant Listening.
Electro-Haptic Stimulation: A New Approach for Improving Cochlear-Implant Listening.
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DOI：
10.3389/fnins.2021.581414
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发表时间：
2021
影响因子：
4.3
通讯作者：
Verschuur CA
中科院分区：
文献类型：
--
作者：
Fletcher MD;Verschuur CA
人工耳蜗 (CI) 在恢复重度至极重度耳聋患者的言语感知方面取得了巨大成功。尽管取得了成功，但仍然存在一些局限性，特别是 CI 用户在嘈杂环境中理解语音、定位声源和欣赏音乐的能力。人们提出了一种新的多模式方法，该方法使用触觉刺激来提供植入物传输效果较差的声音信息。这种通过触觉刺激（电触觉刺激；EHS）增强 CI 电信号已被证明可以改善 CI 用户的噪声中语音性能和声音定位。还有证据表明它可以增强音乐感知。我们回顾了 EHS 增强 CI 听力的证据，并讨论了需要进一步研究的关键领域。其中包括了解 EHS 增强的神经基础、了解 EHS 在不同临床人群中的有效性以及信号处理策略的优化。我们还讨论了新一代触觉神经假体设备的巨大潜力，可以帮助那些由于生物医学或医疗保健问题而无法使用听力辅助技术的人。虽然还需要大量的进一步研究和开发，但我们得出的结论是，EHS 代表了一种有前途的新方法，可以在不久的将来提供一种非侵入性、廉价的方法，显着改善听力障碍人士的临床结果。
Cochlear implants (CIs) have been remarkably successful at restoring speech perception for severely to profoundly deaf individuals. Despite their success, several limitations remain, particularly in CI users’ ability to understand speech in noisy environments, locate sound sources, and enjoy music. A new multimodal approach has been proposed that uses haptic stimulation to provide sound information that is poorly transmitted by the implant. This augmenting of the electrical CI signal with haptic stimulation (electro-haptic stimulation; EHS) has been shown to improve speech-in-noise performance and sound localization in CI users. There is also evidence that it could enhance music perception. We review the evidence of EHS enhancement of CI listening and discuss key areas where further research is required. These include understanding the neural basis of EHS enhancement, understanding the effectiveness of EHS across different clinical populations, and the optimization of signal-processing strategies. We also discuss the significant potential for a new generation of haptic neuroprosthetic devices to aid those who cannot access hearing-assistive technology, either because of biomedical or healthcare-access issues. While significant further research and development is required, we conclude that EHS represents a promising new approach that could, in the near future, offer a non-invasive, inexpensive means of substantially improving clinical outcomes for hearing-impaired individuals.
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