FACTORS INFLUENCING AUDIOVISUAL SPEECH BENEFIT IN CHILDREN WITH HEARING LOSS

影响听力损失儿童视听言语益处的因素

基本信息

  • 批准号:
    10634697
  • 负责人:
  • 金额:
    $ 20.26万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-06-03 至 2025-05-31
  • 项目状态:
    未结题

项目摘要

PROJECT SUMMARY/ABSTRACT Hearing loss (HL) results in reduced access to acoustic speech, which is often only partially restored by hearing aids. When HL occurs early in life, infants and children must learn speech and language from degraded acoustic signals, which contributes to large variability in communication, social, and functional outcomes. Fortunately, seeing a talker’s face while hearing speech provides visual information about what sounds are being produced. This has been shown to be particularly helpful when access to acoustic speech is reduced by HL. Thus, visual speech could be one of the most important cues available for children to compensate for HL. Emerging data show that school-age children with HL benefit far more from visual speech than their peers with normal hearing. Yet, there is large variability among current speech and language intervention programs for children with HL, with some auditory-verbal methods artificially limiting visual speech access. Currently, we do not know whether limiting visual cues is detrimental or encourages development of auditory cues, because there are critical gaps in our understanding of the effects of early-onset HL on the ability to benefit from visual speech The source of hearing-related differences in AV benefit is unknown and cannot be explained by disparities in lipreading ability or cognitive-linguistic skills. The objective of the current proposal is to determine the factors influencing AV speech benefit among school-age children with and without HL. Our central hypothesis is that AV benefit is governed by acoustic-phonetic access, as determined by frequency-specific audibility. We expect that visual speech is more helpful for listeners with reduced high-frequency audibility than those with normal hearing or normal high-frequency audibility. This study also will evaluate whether children with HL are better than children with normal hearing at taking advantage of visual cues. Children will complete auditory, visual, and AV tests of consonant articulation in noise and across conditions differing in acoustic frequency content to test the hypothesis that reduced high-frequency audibility decreases redundancy between auditory and visual phonetic cues and relative weighting of high-frequency acoustics, resulting in greater AV benefit. We will apply computational modeling to determine whether children with HL have closer to optimal integration efficiency. Results will inform data-driven clinical recommendations regarding the best type of spoken language intervention for children with HL based on frequency-specific audibility. Results will feed directly into an R01 examining how individual differences in development of AV speech benefit and intervention decisions regarding visual speech access affect communication outcomes among children with HL.
项目总结/文摘

项目成果

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Kaylah L Lalonde其他文献

Kaylah L Lalonde的其他文献

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{{ truncateString('Kaylah L Lalonde', 18)}}的其他基金

FACTORS INFLUENCING AUDIOVISUAL SPEECH BENEFIT IN CHILDREN WITH HEARING LOSS
影响听力损失儿童视听言语益处的因素
  • 批准号:
    10515800
  • 财政年份:
    2022
  • 资助金额:
    $ 20.26万
  • 项目类别:
The interaction of auditory and visual detection, discrimination, and recognition in infants’ real-world listening environments
婴儿现实世界聆听环境中听觉和视觉检测、辨别和识别的相互作用
  • 批准号:
    9392321
  • 财政年份:
    2016
  • 资助金额:
    $ 20.26万
  • 项目类别:
PROJECT 10: DEVELOPMENT OF AUDIOVISUAL SPEECH ENHANCEMENT IN CHILDREN
项目 10:儿童视听言语增强的发展
  • 批准号:
    10615018
  • 财政年份:
    2014
  • 资助金额:
    $ 20.26万
  • 项目类别:
PROJECT 10: DEVELOPMENT OF AUDIOVISUAL SPEECH ENHANCEMENT IN CHILDREN
项目 10:儿童视听言语增强的发展
  • 批准号:
    9903382
  • 财政年份:
  • 资助金额:
    $ 20.26万
  • 项目类别:

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