Canonical Syllable Production And Perception In Infants With Hearing Loss

听力损失婴儿的规范音节产生和感知

基本信息

  • 批准号:
    8309206
  • 负责人:
  • 金额:
    $ 14.6万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2011
  • 资助国家:
    美国
  • 起止时间:
    2011-08-02 至 2014-07-31
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): Knowledge regarding the effects of hearing aids on speech acquisition is very limited in early-identified infants with hearing impairment (HI). The goal of this research is to improve language outcomes in infants with HI by addressing the lack of understanding of how early perception and production capacities emerge in infants with normal hearing (NH) and hearing impairment (HI). To attain this goal we will focus on understanding how the distributional properties of canonical babbling (CB) affect perceptual preferences for syllables in NH and HI infants. We will focus on CB as it is the first speech-like behavior affected by early amplification, it differentiates HI from NH infants, it forms the foundation for first words, and its delay predicts delays in vocabulary development. Our objectives are to (1) examine group differences (NH vs HI) in the development of perceptual preferences for canonical syllables at two time periods (Aim 1) and (2) examine whether infants' production of canonical syllables predicts their own perceptual preference for these syllables (Aim 2). Forty- eight infants (5- 15 months of age) with: (a) normal hearing sensitivity (n=24), and (b) mild-to-severe sensorineural hearing loss (n=24), will participate. Aim 1: Test the hypothesis that perceptual preference for the distributional characteristics of CB develops as a result of experience with CB. Our hypothesis predicts that compared to a pre-babbling baseline, NH infants' preferences will shift toward canonical syllables with coronal over labial onsets during the babbling period, whereas HI infants' preferences will shift towards canonical syllables with labial over coronal onsets. Our hypothesis predicts that compared to a pre-babbling baseline, both NH and HI infants' preferences will shift toward CV co-occurrences that are consistent with FCH over co-occurrences that are not consistent with FCH. Aim 2: Test the hypothesis that individual infants' production of canonical syllables predicts their own perceptual preference for syllable distributional properties during babbling. Our hypothesis predicts that the CV inventory of infants with NH will have a greater proportion of coronal consonants and that this will correlate with their perceptual preference. For infants with HI, we expect a greater proportion of labial consonants in their repertoire than coronals and this will correlate with a perceptual preference for labial onsets. Our hypothesis predicts that both NH and HI infants' inventories will have a greater proportion of CV co-occurrences that are consistent with FCH than that violate FCH, and this will correlate with the predicted preference for syllables that are consistent with FCH. Outcomes and Impact: When the aims of this research are achieved clinicians will be able to use CB production as an outcome measure of adequate auditory input during the pre-linguistic stage based on an evidence-based understanding of the relationship between audibility, what the infant is producing and perceiving in the earliest vocalizations impacted by amplification.
描述(由申请人提供):在早期发现的听力障碍(HI)婴儿中,关于助听器对言语习得的影响的知识非常有限。这项研究的目的是通过解决对听力正常(NH)和听力障碍(HI)婴儿的早期感知和生产能力是如何出现的缺乏了解来改善HI婴儿的语言结果。为了达到这一目标,我们将重点了解规范唠叨(CB)的分布特性如何影响NH和HI婴儿对音节的感知偏好。我们将重点关注CB,因为它是第一个受早期放大影响的类言语行为,它区分了HI和NH婴儿,它构成了第一个单词的基础,它的延迟预示着词汇发展的延迟。我们的目标是(1)检验两个时期(目标1)对规范音节知觉偏好发展的群体差异(NH和HI);(2)检验婴儿产生规范音节是否能预测他们自己对这些音节的知觉偏好(目标2)。48名婴儿(5-15个月大)将参加:(A)听力正常(n=24),(B)轻度至重度感音神经性听力损失(n=24)。目的1:检验一种假设,即对CB的分布特征的知觉偏好是由于对CB的体验而形成的。我们的假说预测,与说话前的基线相比,NH婴儿的偏好将转移到冠音而不是唇音的规范音节上,而HI婴儿的偏好将转移到唇音而不是冠音的规范音节上。我们的假设预测,与说话前的基线相比,NH和HI婴儿的偏好都将转向与FCH一致的CV共现,而不是与FCH不一致的共现。目的2:检验婴儿个体对标准音节的产生预测了他们在嘟哝时对音节分布特性的知觉偏好这一假设。我们的假设预测,患有NH的婴儿的CV清单中将有更大比例的冠状辅音,这将与他们的感知偏好相关。对于HI的婴儿,我们预计在他们的曲目中唇辅音的比例比冠音大,这将与对唇音首字母的知觉偏好相关。我们的假设预测,NH和HI婴儿的清单中符合FCH的CV共现比例将高于违反FCH的CV共现比例,这将与预测的与FCH一致的音节偏好相关。结果和影响:当这项研究的目标实现后,临床医生将能够使用CB产生作为语言前阶段足够听觉输入的结果衡量标准,这是基于对婴儿在受放大影响的最早发声时的可听性、婴儿正在产生的东西和感知之间的关系的循证理解。

项目成果

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Jessica S Hay其他文献

Jessica S Hay的其他文献

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{{ truncateString('Jessica S Hay', 18)}}的其他基金

Infant statistical learning: Resilience, longevity, and specificity
婴儿统计学习:弹性、寿命和特异性
  • 批准号:
    9753018
  • 财政年份:
    2015
  • 资助金额:
    $ 14.6万
  • 项目类别:
Infant statistical learning: Resilience, longevity, and specificity
婴儿统计学习:弹性、寿命和特异性
  • 批准号:
    9313700
  • 财政年份:
    2015
  • 资助金额:
    $ 14.6万
  • 项目类别:
Canonical Syllable Production And Perception In Infants With Hearing Loss
听力损失婴儿的规范音节产生和感知
  • 批准号:
    8514941
  • 财政年份:
    2011
  • 资助金额:
    $ 14.6万
  • 项目类别:
Canonical Syllable Production And Perception In Infants With Hearing Loss
听力损失婴儿的规范音节产生和感知
  • 批准号:
    8182847
  • 财政年份:
    2011
  • 资助金额:
    $ 14.6万
  • 项目类别:
Auditory constraints on infant language learning
婴儿语言学习的听觉限制
  • 批准号:
    7486009
  • 财政年份:
    2008
  • 资助金额:
    $ 14.6万
  • 项目类别:
Auditory constraints on infant language learning
婴儿语言学习的听觉限制
  • 批准号:
    7600444
  • 财政年份:
    2008
  • 资助金额:
    $ 14.6万
  • 项目类别:

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