通道数对人工耳蜗听声效果影响的研究进展

Effects of the number of channels on cochlear implant outcomes: a review

高珊仙;刘天翊;银力;马秀岚

1:浙江中医药大学医学技术与信息工程学院

2:浙江诺尔康神经电子科技股份有限公司

3:浙江省智能康复与神经电子转化重点实验室

4:中国医科大学附属盛京医院耳鼻咽喉头颈外科

摘要
人工耳蜗有限的频域分辨率是阻碍使用者在复杂听觉任务上取得与健听者相当表现的主要瓶颈之一。本文聚焦于影响人工耳蜗频域分辨率的重要因素“通道数”,回顾了人工耳蜗从早期单通道到多通道的发展,并对比论述了模拟实验与真实CI使用者研究的主要发现。模拟实验结果表明言语识别表现随着通道数的增加而改善,而针对真实CI使用者的研究结果则提示其可能受到包括电极设计及个体神经差异在内的多种因素的影响。当前研究的主要局限在于样本量偏小、急性试验设计、混杂变量控制不足以及评估指标范围狭窄,需要开展大样本研究,鉴别并保留对听觉感知有实际贡献的通道,从而为下一代人工耳蜗系统的设计提供依据。
关键词
人工耳蜗;通道;听声效果
基金项目(Foundation):
杭州市生物医药和健康产业发展扶持科技专项(2022WJCY097、2021WJCY306)
作者
高珊仙;刘天翊;银力;马秀岚
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高珊仙刘天翊银力马秀岚