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SPEECH PERCEPTION AND AUDITORY ABILITIES IN INFANTS, CHILDREN, AND ADULTS WITH DOWN SYNDROME

Award Number: R01DC020229
ORGANIZATION: NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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ABSTRACT OF FUNDED PARENT AWARD (1R01DC020229) (NO CHANGE) 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.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2024 ( Subtotal = $427,593 )
2024	2024	FATHER FLANAGAN'S BOYS' HOME	14100 CRAWFORD ST	BOYS TOWN	NE	68010	DOUGLAS	USA	Research Related to Deafness and Communication Disorders	002	1	9/10/2024	SUPPLEMENT FOR EXPANSION	$427,593
2024	2023	FATHER FLANAGAN'S BOYS' HOME	14100 CRAWFORD ST	BOYS TOWN	NE	68010	DOUGLAS	USA	Research Related to Deafness and Communication Disorders	001	1	8/28/2024	SUPPLEMENT FOR EXPANSION	$0
2024	2022	FATHER FLANAGAN'S BOYS' HOME	14100 CRAWFORD ST	BOYS TOWN	NE	68010	DOUGLAS	USA	Research Related to Deafness and Communication Disorders	000	1	8/28/2024	NEW	$0
														Subtotal = $427,593

Issue Date FY: 2023 ( Subtotal = $304,820 )
2023	2023	FATHER FLANAGAN'S BOYS' HOME	14100 CRAWFORD ST	BOYS TOWN	NE	68010	DOUGLAS	USA	Research Related to Deafness and Communication Disorders	000	1	8/1/2023	SUPPLEMENT FOR EXPANSION	$304,820
														Subtotal = $304,820

Issue Date FY: 2022 ( Subtotal = $2,134,386 )
2022	2022	FATHER FLANAGAN'S BOYS' HOME	13603 FLANAGAN BLVD	BOYS TOWN	NE	68010	DOUGLAS	USA	Research Related to Deafness and Communication Disorders	000	1	5/18/2022	NEW	$2,086,069
2022	2022	FATHER FLANAGAN'S BOYS' HOME	13603 FLANAGAN BLVD	BOYS TOWN	NE	68010	DOUGLAS	USA	Research Related to Deafness and Communication Disorders	001	1	5/31/2022	NEW	$48,317
														Subtotal = $2,134,386

Grand Total All Awards = $2,866,799

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SPEECH PERCEPTION AND AUDITORY ABILITIES IN INFANTS, CHILDREN, AND ADULTS WITH DOWN SYNDROME

Award Number: R01DC020229

ORGANIZATION: NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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