Perception and adaptation to talker variability in receptive prosody in ASD

自闭症谱系障碍患者对说话者接受韵律变异性的感知和适应

基本信息

  • 批准号:
    10373640
  • 负责人:
  • 金额:
    $ 19.25万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-12-01 至 2023-11-30
  • 项目状态:
    已结题

项目摘要

Project Summary/Abstract This project will investigate a topic of significance in advancing linguistic research in ASD: the ability to navigate across-talker variability in speech prosody (e.g., rhythm, intonation, tones). Although the importance of studying receptive prosody in ASD has been recognized for decades, the literature remains relatively small and findings often inconclusive. One fundamental aspect of receptive prosody, which has so far been largely overlooked, is the variability of human speech. Depending on their age, gender, and other physiological and cultural factors, talkers can differ substantially in how they use prosody to express meaning. Receptive prosody therefore needs to be adaptive, compensating for these differences. This insight has significant implications for individuals with ASD, whose perception has been found to be highly accurate locally and less impacted by top-down knowledge and global changes in statistics. If their receptive prosody is not appropriately modulated according to the across-talker variability that is ubiquitous in natural language, it would severely limit the accuracy of their comprehension. This is the hypothesis we test, for the first time, in this proposal. Experiments proposed here capitalize on a recent innovation made by our team, testing adaptation of receptive grammatical and pragmatic prosody in large samples of neurotypical (NT) adults. Our research demonstrates that, when exposed to a novel talker whose prosodic productions are slightly different from what is normally expected given the general statistics of the input, adult listeners robustly recalibrate how they categorize the talker’s meaning (e.g., Is this a statement or a question?) after only 10 minutes of exposure. Building on this innovation, we will examine similar abilities to perceive, categorize, and adapt to subtle acoustic variations in receptive prosody in adolescents with ASD and matched NT controls. To better account for heterogeneity among individual subjects, as well as examine possible ASD subgroups (e.g., with and without language impairment), we will obtain the same measurements locally via laboratory-based testing as well as nationwide, by leveraging a new web-delivered testing paradigm launched under this project. This will be the largest perceptual experiment of receptive prosody to date, providing the foundation of a novel research framework for investigating core mechanisms underlying receptive prosody in ASD and the causes of deficits hampering their linguistic and pragmatic communication. Beyond expanding conceptual understanding, the new knowledge about adaptivity and plasticity of receptive prosody in adolescents with ASD can inform the development of novel intervention programs. The web-delivered experiments will serve as a prototype for future research in our labs and beyond, facilitating effective testing of a diverse population across the country. This paradigm can be further developed to facilitate effective telehealth diagnoses and online interventions that meet the perceptual and cognitive needs of children and adults with ASD.
项目总结/文摘

项目成果

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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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{{ truncateString('LOISA BENNETTO', 18)}}的其他基金

Perception and adaptation to talker variability in receptive prosody in ASD
自闭症谱系障碍患者对说话者接受韵律变异性的感知和适应
  • 批准号:
    10523115
  • 财政年份:
    2021
  • 资助金额:
    $ 19.25万
  • 项目类别:
Cochlear Efferent Feedback and Hearing-in-Noise Perception in Autism
自闭症患者的耳蜗传出反馈和噪音感知
  • 批准号:
    7979333
  • 财政年份:
    2010
  • 资助金额:
    $ 19.25万
  • 项目类别:
Cochlear Efferent Feedback and Hearing-in-Noise Perception in Autism
自闭症患者的耳蜗传出反馈和噪音感知
  • 批准号:
    8076925
  • 财政年份:
    2010
  • 资助金额:
    $ 19.25万
  • 项目类别:
Taste, smell, and feeding behavior in autism: A quantitative traits study
自闭症患者的味觉、嗅觉和进食行为:数量特征研究
  • 批准号:
    8212568
  • 财政年份:
    2009
  • 资助金额:
    $ 19.25万
  • 项目类别:
Taste, smell, and feeding behavior in autism: A quantitative traits study
自闭症患者的味觉、嗅觉和进食行为:数量特征研究
  • 批准号:
    8410103
  • 财政年份:
    2009
  • 资助金额:
    $ 19.25万
  • 项目类别:
Taste, smell, and feeding behavior in autism: A quantitative traits study
自闭症患者的味觉、嗅觉和进食行为:数量特征研究
  • 批准号:
    7591892
  • 财政年份:
    2009
  • 资助金额:
    $ 19.25万
  • 项目类别:
Taste, smell, and feeding behavior in autism: A quantitative traits study
自闭症患者的味觉、嗅觉和进食行为:数量特征研究
  • 批准号:
    7772257
  • 财政年份:
    2009
  • 资助金额:
    $ 19.25万
  • 项目类别:
Taste, smell, and feeding behavior in autism: A quantitative traits study
自闭症患者的味觉、嗅觉和进食行为:数量特征研究
  • 批准号:
    8012841
  • 财政年份:
    2009
  • 资助金额:
    $ 19.25万
  • 项目类别:
Taste, smell, and feeding behavior in autism: A quantitative traits study
自闭症患者的味觉、嗅觉和进食行为:数量特征研究
  • 批准号:
    7856860
  • 财政年份:
    2009
  • 资助金额:
    $ 19.25万
  • 项目类别:
NEUROBIOLOGY OF FACIAL EXPRESSION IN AUTISM
自闭症患者面部表情的神经生物学
  • 批准号:
    7560740
  • 财政年份:
    2007
  • 资助金额:
    $ 19.25万
  • 项目类别:

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