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FACTORS INFLUENCING AUDIOVISUAL SPEECH BENEFIT IN CHILDREN WITH HEARING LOSS

Award Number: R21DC020544
ORGANIZATION: NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 06/03/2022
PERIOD OF PERFORMANCE END DATE: 05/31/2025

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FACTORS INFLUENCING AUDIOVISUAL SPEECH BENEFIT IN CHILDREN WITH HEARING LOSS - PROJECT SUMMARY/ABSTRACT Hearing loss (HL) results in reduced access to acoustic speech, which is often only partially restored by hearing aids. When HL occurs early in life, infants and children must learn speech and language from degraded acoustic signals, which contributes to large variability in communication, social, and functional outcomes. Fortunately, seeing a talker’s face while hearing speech provides visual information about what sounds are being produced. This has been shown to be particularly helpful when access to acoustic speech is reduced by HL. Thus, visual speech could be one of the most important cues available for children to compensate for HL. Emerging data show that school-age children with HL benefit far more from visual speech than their peers with normal hearing. Yet, there is large variability among current speech and language intervention programs for children with HL, with some auditory-verbal methods artificially limiting visual speech access. Currently, we do not know whether limiting visual cues is detrimental or encourages development of auditory cues, because there are critical gaps in our understanding of the effects of early-onset HL on the ability to benefit from visual speech The source of hearing-related differences in AV benefit is unknown and cannot be explained by disparities in lipreading ability or cognitive-linguistic skills. The objective of the current proposal is to determine the factors influencing AV speech benefit among school-age children with and without HL. Our central hypothesis is that AV benefit is governed by acoustic-phonetic access, as determined by frequency-specific audibility. We expect that visual speech is more helpful for listeners with reduced high-frequency audibility than those with normal hearing or normal high-frequency audibility. This study also will evaluate whether children with HL are better than children with normal hearing at taking advantage of visual cues. Children will complete auditory, visual, and AV tests of consonant articulation in noise and across conditions differing in acoustic frequency content to test the hypothesis that reduced high-frequency audibility decreases redundancy between auditory and visual phonetic cues and relative weighting of high-frequency acoustics, resulting in greater AV benefit. We will apply computational modeling to determine whether children with HL have closer to optimal integration efficiency. Results will inform data-driven clinical recommendations regarding the best type of spoken language intervention for children with HL based on frequency-specific audibility. Results will feed directly into an R01 examining how individual differences in development of AV speech benefit and intervention decisions regarding visual speech access affect communication outcomes among children with HL.


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: 2025 ( Subtotal = $0 )
2025	2024	FATHER FLANAGAN'S BOYS' HOME	14100 CRAWFORD ST	BOYS TOWN	NE	68010	DOUGLAS	USA	Research Related to Deafness and Communication Disorders	000	3	9/19/2025	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2024 ( Subtotal = $202,550 )
2024	2024	FATHER FLANAGAN'S BOYS' HOME	14100 CRAWFORD ST	BOYS TOWN	NE	68010	DOUGLAS	USA	Research Related to Deafness and Communication Disorders	000	3	5/29/2024	NON-COMPETING CONTINUATION	$202,550
														Subtotal = $202,550

Issue Date FY: 2023 ( Subtotal = $202,550 )
2023	2023	FATHER FLANAGAN'S BOYS' HOME	14100 CRAWFORD ST	BOYS TOWN	NE	68010	DOUGLAS	USA	Research Related to Deafness and Communication Disorders	000	2	5/19/2023	NON-COMPETING CONTINUATION	$202,550
														Subtotal = $202,550

Issue Date FY: 2022 ( Subtotal = $202,550 )
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	6/3/2022	NEW	$202,550
														Subtotal = $202,550

Grand Total All Awards = $607,650

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FACTORS INFLUENCING AUDIOVISUAL SPEECH BENEFIT IN CHILDREN WITH HEARING LOSS

Award Number: R21DC020544

ORGANIZATION: NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 06/03/2022

PERIOD OF PERFORMANCE END DATE: 05/31/2025

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