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Galvanic Vestibular Stimulation: Data Analysis and Applications in Neurorehabilitation
IEEE Signal Processing Magazine ( IF 14.9 ) Pub Date : 2021-06-29 , DOI: 10.1109/msp.2021.3074355
Aiping Liu , Soojin Lee , Xun Chen , Martin J. McKeown , Z. Jane Wang

A rapidly aging population worldwide has spurred interest in developing new strategies to cope with neural declines and neurodegenerative disorders. Noninvasive brain stimulation (NIBS) is increasingly being used to explore functional mechanisms of the brain and induce the therapeutic modulation of behavior, cognition, and emotion. Galvanic vestibular stimulation (GVS), a safe and well-tolerated NIBS technique, is capable of modulating activity in various cortical and subcortical areas involved in vestibular and multisensory processing. A key facet of GVS is that the resultant effects may, in part, be a function of the individual being treated and the stimulus waveform that is delivered. Yet, most GVS studies have utilized the same generic stimulus, chosen from a reduced repertoire of candidates, across all subjects. The future use and, ultimately, clinical adoption of this technology will rely on contributions from the signal processing community to customize stimuli that are optimized for their effect and to exert maximum influence on brain imaging biomarkers. We provide a signal processing-focused overview of the current GVS state of the art in neurorehabilitation, including general stimulation design, concurrent analysis with neuroimaging data, and suggestions for future directions.

中文翻译:

电前庭刺激:数据分析和在神经康复中的应用

全球人口迅速老龄化激发了人们对制定应对神经衰退和神经退行性疾病的新策略的兴趣。无创脑刺激 (NIBS) 越来越多地用于探索大脑的功能机制并诱导行为、认知和情绪的治疗调节。电前庭刺激 (GVS) 是一种安全且耐受良好的 NIBS 技术,能够调节参与前庭和多感觉处理的各种皮层和皮层下区域的活动。GVS 的一个关键方面是所产生的效果可能部分取决于接受治疗的个体和所传递的刺激波形。然而,大多数 GVS 研究都使用了相同的通用刺激,这些刺激是从减少的候选人曲目中选出的,涵盖所有科目。未来的使用,并最终,这项技术的临床采用将依赖于信号处理社区的贡献,以定制针对其效果进行优化的刺激,并对脑成像生物标志物施加最大影响。我们提供了神经康复领域当前 GVS 最新技术的以信号处理为重点的概述,包括一般刺激设计、神经影像数据的并行分析以及对未来方向的建议。
更新日期:2021-07-02
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