大脑对听力放大的快速适应:个人声音放大产品的随机交叉试验。

IF 3 2区 医学 Q1 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY
Trends in Hearing Pub Date : 2025-01-01 Epub Date: 2025-09-05 DOI:10.1177/23312165251375891
Maxime Perron, Andrew Dimitrijevic, Claude Alain
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引用次数: 0

摘要

对老年人来说,在噪音中理解语言是一项常见的挑战,通常需要更多的听力努力,这可能会耗尽认知资源,损害高阶功能。助听器是听力损失的黄金标准干预措施,但成本和可及性障碍促使人们对个人声音放大产品(psap)等替代品产生了兴趣。虽然psps不是医疗设备,但它们可能有助于在某些情况下减少倾听的努力,尽管支持证据仍然有限。本研究考察了双侧PSAP使用对听力努力的短期影响,使用自我报告测量和脑电图(EEG)记录有听力损失和无听力损失的老年人的α波段活动(8-12 Hz)。25名年龄在60岁至87岁之间的被试在三个信噪比(SNR)条件下完成了听力评估和语音辨别任务。结果显示,psap显著降低了自我报告的努力程度。在任务过程中,左顶叶颞叶区的α活动显示出事件相关的去同步(ERD),反映了大脑对噪音语音的反应。在无辅助条件下,随着信噪比的降低,α ERD减弱,活动接近基线。PSAP的使用缓和了这种影响,在最具挑战性的信噪比条件下保持更强的ERD。α ERD的减少与自我报告的努力程度增加有关,这表明神经和主观测量反映了倾听需求的相关维度。这些结果表明,即使是短暂的PSAP使用也会降低听力努力的感知和神经标记。虽然不是助听器的替代品,但psap可能提供了一种减轻努力倾听时认知负荷的方法。ClinicalTrials.gov, NCT05076045, https://clinicaltrials.gov/study/NCT05076045。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Rapid Brain Adaptation to Hearing Amplification: A Randomized Crossover Trial of Personal Sound Amplification Products.

Rapid Brain Adaptation to Hearing Amplification: A Randomized Crossover Trial of Personal Sound Amplification Products.

Rapid Brain Adaptation to Hearing Amplification: A Randomized Crossover Trial of Personal Sound Amplification Products.

Rapid Brain Adaptation to Hearing Amplification: A Randomized Crossover Trial of Personal Sound Amplification Products.

Understanding speech in noise is a common challenge for older adults, often requiring increased listening effort that can deplete cognitive resources and impair higher-order functions. Hearing aids are the gold standard intervention for hearing loss, but cost and accessibility barriers have driven interest in alternatives such as Personal Sound Amplification Products (PSAPs). While PSAPs are not medical devices, they may help reduce listening effort in certain contexts, though supporting evidence remains limited. This study examined the short-term effects of bilateral PSAP use on listening effort using self-report measures and electroencephalography (EEG) recordings of alpha-band activity (8-12 Hz) in older adults with and without hearing loss. Twenty-five participants aged 60 to 87 years completed a hearing assessment and a phonological discrimination task under three signal-to-noise ratio (SNR) conditions during two counterbalanced sessions (unaided and aided). Results showed that PSAPs significantly reduced self-reported effort. Alpha activity in the left parietotemporal regions showed event-related desynchronization (ERD) during the task, reflecting brain engagement in response to speech in noise. In the unaided condition, alpha ERD weakened as SNR decreased, with activity approaching baseline. PSAP use moderated this effect, maintaining stronger ERD under the most challenging SNR condition. Reduced alpha ERD was associated with greater self-reported effort, suggesting neural and subjective measures reflect related dimensions of listening demand. These results suggest that even brief PSAP use can reduce perceived and neural markers of listening effort. While not a replacement for hearing aids, PSAPs may offer a means for easing cognitive load during effortful listening. ClinicalTrials.gov, NCT05076045, https://clinicaltrials.gov/study/NCT05076045.

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来源期刊
Trends in Hearing
Trends in Hearing AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGYOTORH-OTORHINOLARYNGOLOGY
CiteScore
4.50
自引率
11.10%
发文量
44
审稿时长
12 weeks
期刊介绍: Trends in Hearing is an open access journal completely dedicated to publishing original research and reviews focusing on human hearing, hearing loss, hearing aids, auditory implants, and aural rehabilitation. Under its former name, Trends in Amplification, the journal established itself as a forum for concise explorations of all areas of translational hearing research by leaders in the field. Trends in Hearing has now expanded its focus to include original research articles, with the goal of becoming the premier venue for research related to human hearing and hearing loss.
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