Music Appreciation after Cochlear Implantation

人工耳蜗植入后的音乐欣赏

• 批准号: 10017675
• 负责人: RAYMOND L GOLDSWORTHY
• 金额: $ 42.46万
• 依托单位: UNIVERSITY OF SOUTHERN CALIFORNIA
• 依托单位国家: 美国
• 财政年份: 2019
• 资助国家: 美国
• 起止时间: 2019-09-12 至 2024-08-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/10017675
• 关键词: Adopted; Affect; Auditory; Auditory system; Bypass; Clinical; Cochlear Implants; Cochlear implant procedure; Code; Complex; Comprehension; Cross-Over Studies; Cues; Detection; Devices; Discrimination; Electrodes; Electroencephalography; Emotions; Environment; Equilibrium; Face; Focus Groups; Goals; Hearing; Implant; Interview; Language Development; Learning; Location; Measures; Medical Device; Methods; Music; Near-Infrared Spectroscopy; Outcome; Patient Self-Report; Personal Satisfaction; Pitch Perception; Psychophysics; Psychosocial Factor; Qualitative Methods; Quality of life; Recovery; Research; Resolution; Role; Sensory; Shapes; Social Adjustment; Speech; Speech Perception; Structure; Surveys; Testing; Time; Training; Visual; Work; auditory rehabilitation; deaf; design; experience; hearing impairment; hearing restoration; improved; innovation; normal hearing; peer; relating to nervous system; restoration; satisfaction; social engagement; sound; speech recognition

PROJECT SUMMARY Cochlear implants are medical devices that restore a remarkable degree of hearing to people who would otherwise be profoundly deaf. These devices generally restore enough hearing that recipients can understand spoken speech even in noisy environments. However, most recipients express dissatisfaction with music. This proposal centers on understanding the challenges that implant users face and the strategies that they adopt as they learn to appreciate music with this new way of hearing. The proposed research is organized into three aims: Aim 1: Characterize music appreciation after cochlear implantation. The proposed research balances qualitative and quantitative methods to examine the emergence of music appreciation after cochlear implantation. Qualitative methods will include semi-structured interviews and focus groups designed to clarify the obstacles that implant users face as they learn to appreciate music with their new sense of hearing. Quantitative methods include surveys of music appreciation and quality of life, and auditory assessments of music and speech perception. The primary hypothesis is that music appreciation is predictive of key domains of quality of life including positive affect and well-being, and satisfaction with social roles and activities. Aim 2: Determine if pitch training improves cochlear implant speech comprehension. The proposed research tests for a causal relationship between pitch salience and key features of speech perception including talker discrimination, prosody detection, and speech recognition in competing speech. Cochlear implant users and their normal-hearing peers will take part in a crossover study to determine if pitch training improves aspects of music and speech perception compared to a visual task used as a control. The primary hypothesis is that pitch training will improve speech comprehension for cochlear implant users, but not for their normal-hearing peers. Aim 3: Test the limits of pitch coding in cochlear implants. The proposed research bypasses conventional sound processing to study the salience of pitch provided by electrode location and stimulation rate. These two stimulation cues are the primary cues for providing a sense of pitch to cochlear implant users. Our work has shown that implant users are able to learn to use this information to hear pitch with better resolution far better than previously thought. The primary hypothesis is that cochlear implant users have a latent ability to hear pitch associated with stimulation rate, but that they require experience to learn how to hear this new information. In each aim, we compliment psychophysical methods with an innovative approach combining EEG and near- infrared spectroscopy. The results will establish the importance of music training for improving cochlear implant outcomes, both in terms of hearing abilities and quality of life. The results will lead to changes in how music is encoded into implant stimulation, providing better outcomes for recipients. More generally, this project will shape understanding of neural coding of music and its role in social adjustment following traumatic experiences.

项目概要 人工耳蜗是一种医疗设备，可以使那些想要恢复听力的人显着程度地恢复听力。 否则就会严重聋。这些设备通常可以恢复足够的听力，使接收者能够理解 即使在嘈杂的环境中也能进行口语交流。然而，大多数接收者都表达了对音乐的不满。这 提案的重点是了解植入物用户面临的挑战以及他们采取的策略 他们学会用这种新的听觉方式欣赏音乐。拟议的研究分为三个目标： 目标 1：表征人工耳蜗植入后的音乐欣赏能力。拟议的研究平衡 定性和定量方法来检验人工耳蜗后音乐欣赏的出现 植入。定性方法将包括半结构化访谈和焦点小组，旨在澄清 植入用户在学习用新的听觉欣赏音乐时面临的障碍。 定量方法包括音乐欣赏和生活质量的调查以及听觉评估 音乐和言语感知。主要假设是音乐欣赏可以预测关键领域 生活质量，包括积极的情感和幸福感，以及对社会角色和活动的满意度。 目标 2：确定音调训练是否可以提高人工耳蜗的言语理解能力。拟议的 研究测试音高显着性与语音感知的关键特征之间的因果关系，包括 竞争语音中的说话者识别、韵律检测和语音识别。人工耳蜗使用者 他们的听力正常的同伴将参加一项交叉研究，以确定音调训练是否可以改善各个方面 音乐和言语感知与用作对照的视觉任务相比。主要假设是音高 培训将提高人工耳蜗使用者的言语理解能力，但不会提高听力正常的同龄人的言语理解能力。 目标 3：测试人工耳蜗中音调编码的极限。拟议的研究绕过了传统的 声音处理来研究电极位置和刺激率提供的音调的显着性。这两个 刺激线索是为人工耳蜗使用者提供音高感的主要线索。我们的工作有 表明植入物用户能够学习使用这些信息以更好的分辨率更好地听到音调 比之前想象的要多。主要假设是人工耳蜗使用者具有听音调的潜在能力 与刺激率相关，但他们需要经验来学习如何听到这些新信息。 在每个目标中，我们都采用结合脑电图和近场分析的创新方法来补充心理物理学方法。 红外光谱。结果将确立音乐训练对于改善人工耳蜗的重要性 结果，包括听力能力和生活质量。结果将导致音乐方式的改变 编码到植入刺激中，为接受者提供更好的结果。更一般地说，该项目将塑造 了解音乐的神经编码及其在创伤经历后的社会适应中的作用。