Interactions between Acoustic and Electric Stimulation

声刺激和电刺激之间的相互作用

• 批准号: 7596252
• 负责人: Fan-Gang Zeng
• 金额: $ 29.93万
• 依托单位: UNIVERSITY OF CALIFORNIA-IRVINE
• 依托单位国家: 美国
• 财政年份: 2007
• 资助国家: 美国
• 起止时间: 2007-04-01 至 2012-03-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/7596252
• 关键词: Acoustic Stimulation; Acoustics; Address; Classification; Cochlea; Cochlear Implants; Complement; Complex; Contralateral; Ear; Electric Stimulation; Electrodes; Hearing; Hearing Aids; Implant; Ipsilateral; Maps; Measures; Music; Nature; Noise; Operative Surgical Procedures; Patients; Perception; Performance; Protocols documentation; Psychophysiology; Research; Residual state; Side; Tinnitus; Voice; Work; clinically relevant; design; improved; innovation; named group; patient population; simulation; sound; speech recognition

DESCRIPTION (provided by applicant): Cochleae implants have restored partial hearing to more than 100,000 hearing-impaired people worldwide. As cochlear implant performance continues to improve, more and more patients with residual acoustic hearing are eligible for, and some have received, a cochlear implant. We have identified three groups of implant patients who possess significant residual acoustic hearing: those who have a hearing aid on the contralateral side, those who use combined electro-acoustic stimulation in the same ear, and those who use the implant to suppress tinnitus and may have normal hearing contralaterally. We propose to systematically study the interactions between acoustic and electric hearing in these subjects. Our three specific aims are: 1. To construct an accurate pitch map in electric hearing 2. To measure psychophysical interactions between acoustic and electric stimulation 3. To probe the mechanisms and optimize the performance of bimodal hearing An accurate pitch map will allow us to reconstruct "electric harmonics" and develop authentic acoustic simulations of the cochlear implant. A systematic characterization of the psychophysical interactions is necessary to understand the mechanisms and maximize the benefit of bimodal hearing. The proposed work is of high clinical relevance because it may help overcome two of the most significant shortcomings of the current cochlear implants, namely, music perception and speech recognition with background noise, particularly when the noise is a competing voice.

描述（由申请人提供）：Cochleae植入物已将部分听力恢复到全球超过100,000多名听力受损的人。随着耳蜗植入物的性能继续提高，越来越多的残留声听力患者有资格并且有些人接受了人工耳蜗植入物。我们已经确定了三组植入物患者，这些患者具有严重的残留声听力：在对侧有助听器的人，在同一耳朵中使用综合电声刺激的患者，以及那些使用植入物抑制耳鸣并且可能正常听力的人。我们建议在这些受试者中系统地研究声学和电气听力之间的相互作用。我们的三个具体目的是：1。在电气听力2中构建准确的音高图。要测量声学和电刺激之间的心理物理相互作用3。要探测机制并优化双峰听证会听力的性能准确的音高图，使我们能够重建“电气谐波”，并开发同志植入的真实声学模拟。必须对心理物理相互作用进行系统的表征，以了解机制并最大程度地提高双峰听力的好处。拟议的工作具有很高的临床相关性，因为它可能有助于克服当前人工耳蜗植入物的两个最重要的缺点，即音乐的感知和语音识别，并具有背景噪声，尤其是当噪声是竞争性的声音时。