Mediators and Moderators of Auditory Training

听觉训练的中介者和调节者

基本信息

  • 批准号:
    10462160
  • 负责人:
  • 金额:
    $ 0.91万
  • 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:
    2022-06-01 至 2023-01-01
  • 项目状态:
    已结题

项目摘要

This proposal seeks to understand mechanisms of auditory training (AT) and potential of AT to mitigate hearing issues that promote risk of development of Alzheimer’s disease and related dementias (ADRD). Reports from the Lancet Commission (Livingstone and colleagues, 2020), and others, show midlife hearing loss is one of the greatest predictors of late-life dementia, and hearing aids protect against development of ADRD. While this has promoted a push for greater distribution of hearing aids, research from Gates and colleagues (2011) suggests that central hearing processes may be greater predictors of onset of ADRD than peripheral hearing (as addressed through hearing aids). Central auditory processing abilities are fundamental to understand speech, appreciate music, and separate competing environmental sound sources. Hearing challenges experienced with increasing age, especially understanding speech in noisy ambient environments, cause frustration with interpersonal verbal communication and detrimental long-term effects on functional independence, cognitive abilities, and overall quality of life, including increased risk for ADRD. Nevertheless, despite extensive research conducted across multiple fields, clinicians and researchers still disagree about the best ways to address the diversity of hearing difficulties individuals face throughout their lives. The guiding premise of the current proposal is the need for robust and reliable data sets to clarify the underlying mechanisms of AT and to identify the mediators and moderators that impact training outcomes. The overarching goal of this proposal is that better understanding of mechanisms of AT, with focus on speech in competition, can address the most prevalent hearing complaints reported by people as they age, and in turn mitigate transition to ADRD. To address this, we will recruit a large and diverse sample of older adults, including those with prodromal ADRD, and a comparison group of younger adults (1260 participants across training conditions, including separate samples of young and older adults). We will research how baseline cognitive and hearing measures predict training outcomes (moderators) and how these interact with training methods (mediators). To enhance rigor and reproducibility, we will release data sets and training/assessment tools to enable other researchers to conduct analyses, replicate our studies, and test their own training methods using common outcome measures. The proposed research will address four Specific Aims. Aim 1 – Determine the relationship of stimulus complexity and AT outcomes. Aim 2 – Determine the relationship of AT training structures and AT outcomes. Aim 3 – Determine relationships between participant characteristics (moderators) and AT approaches (mediators) on training outcomes. Aim 4 – Create an AT platform that facilitates faithful replication and modelling. Through the collection and dissemination of a large, unique, and comprehensive dataset, this proposal has potential for transformative impact by clarifying moderators and mediators of AT, and will afford translational opportunities to contribute to the mitigation of hearing and cognitive decline in individuals who may be at risk for the development of ADRD.
这项建议旨在了解听觉训练(AT)的机制和AT缓解听力问题的潜力,这些问题会增加阿尔茨海默病和相关痴呆(ADRD)的发展风险。来自柳叶刀委员会(Livingstone及其同事,2020)和其他人的报告显示,中年听力损失是老年痴呆的最大预测因素之一,而助听器可以防止ADRD的发展。虽然这推动了助听器更广泛的分发,但盖茨和他的同事(2011年)的研究表明,中央听力过程可能比外围听力(通过助听器解决)更能预测ADRD的发病。中枢听觉处理能力是理解语音、欣赏音乐和分离相互竞争的环境声源的基础。随着年龄的增长,听力受到挑战,特别是在嘈杂的环境中理解言语,会导致人际语言交流的挫折感,并对功能独立性、认知能力和整体生活质量产生有害的长期影响,包括增加ADRD的风险。然而,尽管在多个领域进行了广泛的研究,临床医生和研究人员仍然在解决个人一生中面临的各种听力困难的最佳方法上存在分歧。目前提案的指导前提是需要强大和可靠的数据集,以澄清AT的基本机制,并确定影响培训结果的调解人和主持人。这项建议的总体目标是,更好地了解AT的机制,重点是比赛中的言语,可以解决人们随着年龄增长报告的最普遍的听力投诉,进而缓解向ADRD的过渡。为了解决这个问题,我们将招募一大批不同的老年人样本,包括那些患有ADRD前驱症状的人,以及一组年轻人(1260名不同训练条件下的参与者,包括不同的年轻人和老年人样本)。我们将研究基线认知和听力测量如何预测培训结果(主持人),以及这些指标如何与培训方法(调解人)相互作用。为了提高严密性和可重复性,我们将发布数据集和培训/评估工具,以使其他研究人员能够进行分析、复制我们的研究,并使用共同的结果衡量标准测试他们自己的培训方法。拟议的研究将涉及四个具体目标。目标1-确定刺激复杂性与AT结果的关系。目的2-确定AT训练结构与AT结果的关系。目标3-确定参与者特征(主持人)和AT方法(调解者)对培训结果的关系。目标4-创建一个AT平台,促进忠实的复制和建模。通过收集和传播大量、独特和全面的数据集,这项建议通过澄清AT的主持人和调解人,具有潜在的变革性影响,并将提供翻译机会,为缓解可能有ADRD发展风险的个人的听力和认知能力下降做出贡献。

项目成果

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FREDERICK J. GALLUN其他文献

FREDERICK J. GALLUN的其他文献

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{{ truncateString('FREDERICK J. GALLUN', 18)}}的其他基金

Mediators and Moderators of Auditory Training
听觉训练的中介者和调节者
  • 批准号:
    10756702
  • 财政年份:
    2022
  • 资助金额:
    $ 0.91万
  • 项目类别:
Mediators and Moderators of Auditory Training
听觉训练的中介者和调节者
  • 批准号:
    10621823
  • 财政年份:
    2022
  • 资助金额:
    $ 0.91万
  • 项目类别:
Enhanced environments for psychophysical evaluation and training
增强心理物理学评估和培训的环境
  • 批准号:
    10650719
  • 财政年份:
    2020
  • 资助金额:
    $ 0.91万
  • 项目类别:
Enhanced environments for psychophysical evaluation and training
增强心理物理学评估和培训的环境
  • 批准号:
    10066171
  • 财政年份:
    2020
  • 资助金额:
    $ 0.91万
  • 项目类别:
Enhanced environments for psychophysical evaluation and training
增强心理物理学评估和培训的环境
  • 批准号:
    10203916
  • 财政年份:
    2020
  • 资助金额:
    $ 0.91万
  • 项目类别:
Enhanced environments for psychophysical evaluation and training
增强心理物理学评估和培训的环境
  • 批准号:
    10441369
  • 财政年份:
    2020
  • 资助金额:
    $ 0.91万
  • 项目类别:
Predicting the benefits of spatial and spectrotemporal cues
预测空间和光谱时间线索的好处
  • 批准号:
    8291926
  • 财政年份:
    2012
  • 资助金额:
    $ 0.91万
  • 项目类别:
Predicting the benefits of spatial and spectrotemporal cues
预测空间和光谱时间线索的好处
  • 批准号:
    8473202
  • 财政年份:
    2012
  • 资助金额:
    $ 0.91万
  • 项目类别:
Central Auditory Processing Deficits Associated with Blast Exposure
与爆炸暴露相关的中枢听觉处理缺陷
  • 批准号:
    8418637
  • 财政年份:
    2011
  • 资助金额:
    $ 0.91万
  • 项目类别:
Central Auditory Processing Deficits Associated with Blast Exposure
与爆炸暴露相关的中枢听觉处理缺陷
  • 批准号:
    8838171
  • 财政年份:
    2011
  • 资助金额:
    $ 0.91万
  • 项目类别:

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