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Improving the clinical utility of preschool language sample analysis

Award Number: R01DC017152
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: 08/01/2018
PERIOD OF PERFORMANCE END DATE: 07/31/2025

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Improving the clinical utility of preschool language sample analysis - Project Summary Late talking (LT; late emergence of expressive language skill) in the absence of obvious primary perceptual, cognitive or motor impairment, is a serious developmental condition that may lead to academic, social and vocational handicap. While a majority of LTs appear to recover, many do not “catch up” and predicting why outcomes differ has been elusive. This supplemental application seeks to use a subset of the data being analyzed by the parent grant to perform a variety of longitudinal analyses of speech and language growth in late talkers (LTs) compared with typically-developing (TD) peers. Its overarching aim is to detect skills prior to and at roughly 24 months of age that may predict which children recover from late onset of expressive language and which children will experience lasting expressive language impairment. Our approach includes tracking the following sets of skills/behaviors from 24 to ~ 60 months of age in a combined cohort of > 70 LTs (and their TD peers). Of the LT children, roughly one-third remained persistently delayed by kindergarten entry, while 2/3 recovered to within the TD range of achievement. We examine: 1) growth in phonological inventory and syllable structure development; 2) recast behaviors by parents and the children’s responses to such recasts; 3) growth in expressive vocabulary diversity using a recently re-validated measure of lexical development; 4) differences in expressive phrase structure development, as measured by the Index of Productive Syntax, as potential predictors of more favorable outcome from LT. We will also examine whether infant speech segmentation and statistical learning skills assessed before 12 months of age in an additional sub-corpus followed by the parent grant were predictive of recovery from LT. A final analysis will examine the relationship of nonword repetition (NWR) at 24 months of age to later expressive language skills. Factors that appear to influence outcome of LT will be incorporated into a statistical model that best captures individual risk for persistence and recovery. Results will enable better and earlier identification of children for whom more intensive and targeted intervention is warranted. Further, understanding which skills appear to predict recovery will enable more informed language intervention targets and methods.


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 = $0 )
2024	2023	UNIVERSITY OF MARYLAND, COLLEGE PARK	3112 LEE BUILDING	COLLEGE PARK	MD	20742	PRINCE GEORGES	USA	Research Related to Deafness and Communication Disorders	001	5	5/13/2024	SUPPLEMENT FOR EXPANSION	$0
2024	2022	UNIVERSITY OF MARYLAND, COLLEGE PARK	3112 LEE BUILDING	COLLEGE PARK	MD	20742	PRINCE GEORGES	USA	Research Related to Deafness and Communication Disorders	000	5	4/30/2024	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2023 ( Subtotal = $353,565 )
2023	2023	UNIVERSITY OF MARYLAND, COLLEGE PARK	3112 LEE BLDG 7809 REGENTS DR	COLLEGE PARK	MD	20742	PRINCE GEORGES	USA	Research Related to Deafness and Communication Disorders	001	5	7/31/2023	SUPPLEMENT FOR EXPANSION	$0
2023	2023	UNIVERSITY OF MARYLAND, COLLEGE PARK	3112 LEE BLDG 7809 REGENTS DR	COLLEGE PARK	MD	20742	PRINCE GEORGES	USA	Research Related to Deafness and Communication Disorders	000	5	6/20/2023	SUPPLEMENT FOR EXPANSION	$353,565
														Subtotal = $353,565

Issue Date FY: 2022 ( Subtotal = $360,835 )
2022	2022	UNIVERSITY OF MARYLAND, COLLEGE PARK	3112 LEE BLDG 7809 REGENTS DR	COLLEGE PARK	MD	20742	PRINCE GEORGES	USA	Research Related to Deafness and Communication Disorders	000	5	7/26/2022	NON-COMPETING CONTINUATION	$360,835
														Subtotal = $360,835

Issue Date FY: 2021 ( Subtotal = $360,835 )
2021	2021	UNIVERSITY OF MARYLAND, COLLEGE PARK	3112 LEE BLDG 7809 REGENTS DR	COLLEGE PARK	MD	20742	PRINCE GEORGES	USA	Research Related to Deafness and Communication Disorders	000	4	7/23/2021	NON-COMPETING CONTINUATION	$360,835
														Subtotal = $360,835

Issue Date FY: 2020 ( Subtotal = $339,189 )
2020	2020	UNIVERSITY OF MARYLAND, COLLEGE PARK	3112 LEE BLDG 7809 REGENTS DR	COLLEGE PARK	MD	20742	PRINCE GEORGES	USA	Research Related to Deafness and Communication Disorders	000	3	7/21/2020	NON-COMPETING CONTINUATION	$339,189
														Subtotal = $339,189

Issue Date FY: 2019 ( Subtotal = $327,248 )
2019	2019	UNIVERSITY OF MARYLAND	3112 LEE BLDG 7809 REGENTS DR	COLLEGE PARK	MD	20742	PRINCE GEORGES	USA	Research Related to Deafness and Communication Disorders	000	2	7/18/2019	NON-COMPETING CONTINUATION	$327,248
														Subtotal = $327,248

Issue Date FY: 2018 ( Subtotal = $334,688 )
2018	2018	UNIVERSITY OF MARYLAND	3112 LEE BLDG 7809 REGENTS DR	COLLEGE PARK	MD	20742	PRINCE GEORGES	USA	Research Related to Deafness and Communication Disorders	000	1	6/29/2018	NEW	$334,688
														Subtotal = $334,688

Grand Total All Awards = $2,076,360

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Improving the clinical utility of preschool language sample analysis

Award Number: R01DC017152

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: 08/01/2018

PERIOD OF PERFORMANCE END DATE: 07/31/2025

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