Speech perception and auditory abilities in infants, children, and adults with down syndrome

Active Project Grant Awarded Last action

Award ID
R01DC020229
Recipient
Awarding agency
Obligated
$6,233,650

Award facts

Assistance listing
93.310 Trans-NIH Research Support
Completion date 88% complete
Funding agency
Office of the Director National Institutes of Health, Department of Health and Human Services
Place of performance
Omaha, NE 68131, USA

Award details come from USAspending.gov.

Description

Abstract
The goal of this project is to characterize the speech perception and auditory abilities of infants, children, and adults with down syndrome. Prior research involving individuals who are neurotypical has highlighted the importance of early perceptual development on long-term speech and language outcomes, but little is currently known about the factors that support communication outcomes for individuals with down syndrome. We do know that the development of functional hearing skills in children who are neurotypical (such as understanding speech when several people are talking at the same time) requires years of experience with sound, extensive language knowledge, and maturation of executive function. These observations suggest that attainment of speech perception and hearing milestones is likely to be delayed or disrupted for children with down syndrome, due to limitations in intellectual functioning, language knowledge, and cognitive processing. The first aim of this project evaluates phoneme perception in infants, children, and adults with down syndrome, with a focus on characterizing infants' discrimination of native and non-native speech contrasts and examining effects of hearing loss on the consonant identification in children and adults. The second aim tests the hypothesis that maturation of selective listening strategies follows a delayed time course of development for individuals with down syndrome, resulting in greater susceptibility to interference from competing background sounds. The third aim characterizes the ability to recognize speech in the presence of competing background sounds in children and adults with down syndrome, accounting for individual differences in factors such as linguistic knowledge and working memory. The results generated by this project are expected to inform theoretical models regarding the development of speech perception and hearing abilities in individuals with down syndrome, and have the potential to provide preliminary guidance for strategies to maximize speech communication outcomes in noisy environments such as classrooms.

Transactions

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Original award $2,086,069
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Subawards

Subrecipient Amount Awarded
The University Of Iowa Dr. Oleson will provide support in statistical design, power analyses, data analysis, manuscript preparation, and preparing data and statistical code for public… $4,842
University Of North Carolina At Chapel Hill "Data will be collected at UNC from children and adults with Down syndrome. Dr. Buss will also collaborate with the PI (Dr. Lori Leibold) on research design,… $92,596
The University Of Iowa Dr. Oleson will provide support in statistical design, power analyses, data analysis, manuscript preparation, and preparing data and statistical code for public… $51,977
The University Of Iowa $51,489
University Of North Carolina At Chapel Hill Data will be collected at UNC from children and adults with Down syndrome. Dr. Buss will also collaborate with PI (Dr. Lori Leibold) on research design, data… $92,596
University Of North Carolina At Chapel Hill Data will be collected at UNC from children and adults with Down syndrome. Dr. Buss will also collaborate with the PI (Dr. Lori Leibold) on research design,… $232,469
The University Of Iowa Dr. Oleson will provide support in statistical design, power analyses, data analysis, manuscript preparation, and preparing data and statistical code for public… $50,803

Quick answers

Who received award R01DC020229?

R01DC020229 was awarded to Father Flanagan's Boys' Home by National Institute on Deafness and Other Communincation Disorders (National Institutes of Health) on June 1, 2022.

How much is award R01DC020229 worth?

$6,233,650 has been obligated on R01DC020229.

Which agency awarded R01DC020229?

National Institute on Deafness and Other Communincation Disorders (National Institutes of Health) awarded R01DC020229, with funding from Office of the Director (National Institutes of Health).

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