AUDITORY TEMPORAL PROCESSES, SPEECH PERCEPTION AND AGING

听觉时间过程、言语感知和衰老

基本信息

  • 批准号:
    6124080
  • 负责人:
  • 金额:
    $ 21.04万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    1991
  • 资助国家:
    美国
  • 起止时间:
    1991-03-15 至 2001-11-30
  • 项目状态:
    已结题

项目摘要

DESCRIPTION: The project proposes a program of studies in speech perception and auditory psychophysics to examine the hypothesis that many of the predominant difficulties in speech understanding for elderly listeners are related to underlying problems in auditory temporal processing. Research indicates that elderly listeners have particular problems recognizing speech that is degraded by alteration of speaking rate and/or reverberation, with rapid speech eliciting the strongest age-related processing deficits. The listeners' difficulty in understanding temporally-altered speech may be attributed to deficits in peripheral sensory mechanisms, centrally mediated timing mechanisms, and age-related changes in cognitive function. The project investigates the relative contributions of peripheral hearing impairment, degree of stimulus temporal complexity, and altered cognitive demands on auditory processing using rate-altered speech and non-speech stimulus sequences. The project comprises four stages of investigation, each consisting of a series of speech recognition experiments and psychoacoustic temporal discrimination and identification tasks. Stage 1 (mos. 1-18) investigates the principal temporal factors contributing to processing deficits associated with rate-altered speech sentences and non-speech sequential patterns. Stage 2 (mos. 13-36) examines the effects of varying stimulus temporal complexity and rate alteration on recognition and discrimination of speech and non-speech sequential sequences. Stage 3 (mos. 30-48) evaluates the effects of time alteration on enhancement of speech recognition and recall of speech and non-speech stimulus sequences. Stage 4 (mos. 49-60) examines the benefits of time-alteration enhancement techniques for recognition of speech and non-speech sequences of varying rhythmic complexity. For each stage of the investigation, the independent effects of cognitive demands, subject age, and hearing loss on listener performance will be examined. Subjects in the project will include young and elderly listeners with normal hearing and matched degrees of sensorineural hearing loss. All subjects will be examined as well on educational background, physical and mental health and otologic history.
描述:该项目提出了一个关于言语感知的研究计划 和听觉心理物理学来检验这一假说 老年听众在言语理解方面的主要困难是 与听觉时间处理的潜在问题有关。研究 表明年长的听者在识别语言方面有特别的困难 由于语速和/或混响的改变而降级, 快速语言会导致与年龄相关的最强的处理缺陷。这个 听者在理解临时改变的言语方面的困难可能是 归因于中枢调节的外周感觉机制缺陷 计时机制,以及与年龄相关的认知功能变化。这个 该项目调查了外周听力的相对贡献 损伤、刺激时间复杂性程度和认知改变 变速语音和非语音对听觉处理的要求 刺激序列。该项目包括四个阶段的调查, 每个实验都由一系列语音识别实验和 心理声学时间分辨和识别任务。第一阶段 (MOS.1-18)调查主要的时间因素 与速率改变的语音句子相关的加工障碍和 非语音序列模式。阶段2(MOS.13-36)检查了影响 不同刺激时间复杂度和速率变化对识别的影响 以及语音和非语音序列的区分。阶段3 (MOS.30-48)评估了时间改变对增强 语音识别和语音和非语音刺激序列的回忆。 阶段4(MOS.49-60)研究了时间变更增强的好处 可变语音序列和非语音序列的识别技术 节奏的复杂性。对于调查的每个阶段,独立的 认知需求、受试者年龄和听力损失对听者的影响 将对性能进行检查。该项目的研究对象将包括年轻的 以及听力正常和匹配程度的老年听众 感觉神经性听力损失。所有科目也将在 教育背景、身心健康和耳科病史。

项目成果

期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Sandra M Gordon-Salant其他文献

Sandra M Gordon-Salant的其他文献

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{{ truncateString('Sandra M Gordon-Salant', 18)}}的其他基金

Neuroplasticity in Auditory Aging
听觉衰老中的神经可塑性
  • 批准号:
    10201858
  • 财政年份:
    2017
  • 资助金额:
    $ 21.04万
  • 项目类别:
Neuroplasticity in Auditory Aging
听觉衰老中的神经可塑性
  • 批准号:
    10430530
  • 财政年份:
    2017
  • 资助金额:
    $ 21.04万
  • 项目类别:
Neuroplasticity in Auditory Aging
听觉衰老中的神经可塑性
  • 批准号:
    10198720
  • 财政年份:
    2017
  • 资助金额:
    $ 21.04万
  • 项目类别:
Human Subjects Research Core
人类受试者研究核心
  • 批准号:
    10198724
  • 财政年份:
    2017
  • 资助金额:
    $ 21.04万
  • 项目类别:
Administrative Core
行政核心
  • 批准号:
    10198721
  • 财政年份:
    2017
  • 资助金额:
    $ 21.04万
  • 项目类别:
Auditory Temporal Processing
听觉时间处理
  • 批准号:
    10198727
  • 财政年份:
    2017
  • 资助金额:
    $ 21.04万
  • 项目类别:
Auditory temporal processes, speech perception and aging
听觉时间过程、言语感知和衰老
  • 批准号:
    6621048
  • 财政年份:
    1991
  • 资助金额:
    $ 21.04万
  • 项目类别:
AUDITORY TEMPORAL PROCESSES, SPEECH PERCEPTION AND AGING
听觉时间过程、言语感知和衰老
  • 批准号:
    3120951
  • 财政年份:
    1991
  • 资助金额:
    $ 21.04万
  • 项目类别:
Auditory temporal processes, speech perception and aging
听觉时间过程、言语感知和衰老
  • 批准号:
    7674865
  • 财政年份:
    1991
  • 资助金额:
    $ 21.04万
  • 项目类别:
Auditory temporal processes, speech perception and aging
听觉时间过程、言语感知和衰老
  • 批准号:
    8020975
  • 财政年份:
    1991
  • 资助金额:
    $ 21.04万
  • 项目类别:

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