Vowel acoustics and speech intelligibility in young adults with Down syndrome

M Carl, RD Kent, ES Levy, DH Whalen - Journal of Speech, Language, and …, 2020 - ASHA
Purpose Speech production deficits and reduced intelligibility are frequently noted in
individuals with Down syndrome (DS) and are attributed to a combination of several factors …

Single-word speech intelligibility in children and adults with Down syndrome

A Wild, HK Vorperian, RD Kent, DM Bolt… - American Journal of …, 2018 - ASHA
Purpose A single-word identification test was used to study speech production in children
and adults with Down syndrome (DS) to determine the developmental pattern of speech …

Vowel production in children and adults with down syndrome: fundamental and formant frequencies of the corner vowels

HK Vorperian, RD Kent, Y Lee, KA Buhr - Journal of Speech, Language, and …, 2023 - ASHA
Purpose: Atypical vowel production contributes to reduced speech intelligibility in children
and adults with Down syndrome (DS). This study compares the acoustic data of the corner …

Perceptual and acoustic evaluation of speech production in Down syndrome: A case series

D O'Leary, A Lee, C O'Toole… - Clinical linguistics & …, 2020 - Taylor & Francis
People with Down syndrome (DS) can experience difficulties with speech production that
can impact on speech intelligibility. In previous research, both perceptual and acoustic …

Auditory-perceptual features of speech in children and adults with Down syndrome: A speech profile analysis

RD Kent, J Eichhorn, EM Wilson, Y Suk, DM Bolt… - Journal of Speech …, 2021 - ASHA
Purpose The aim of this study was to determine how the speech disorder profiles in Down
syndrome (DS) relate to reduced intelligibility, atypical overall quality, and impairments in …

[PDF][PDF] Acoustic characterisation of vowel production by young adults with Down syndrome.

A Rochet-Capellan, M Dohen - ICPhS, 2015 - firah.org
Down Syndrome (DS) is a frequent genetic disorder that has systematic consequences on
speech articulation. The acoustic properties of speech production of people with DS have …

Analyses of sustained vowels in down syndrome (DS): a case study using spectrograms and perturbation data to investigate voice quality in four adults with DS

T Jeffery, S Cunningham, SP Whiteside - Journal of Voice, 2018 - Elsevier
Objectives Automatic acoustic measures of voice quality in people with Down syndrome
(DS) do not reliably reflect perceived voice qualities. This study used acoustic data and …

An evaluation of articulatory working space area in vowel production of adults with Down syndrome

K Bunton, M Leddy - Clinical linguistics & phonetics, 2011 - Taylor & Francis
Many adolescents and adults with Down syndrome have reduced speech intelligibility.
Reasons for this reduction may relate to differences in anatomy and physiology, both of …

Auditory-perceptual speech features in children with Down syndrome

HN Jones, KD Crisp, M Kuchibhatla… - … on Intellectual and …, 2019 - meridian.allenpress.com
Speech disorders occur commonly in individuals with Down syndrome (DS), although data
regarding the auditory-perceptual speech features are limited. This descriptive study …

Speech production accuracy in children with Down syndrome: Relationships with hearing, language, and reading ability and change in speech production accuracy …

K Burgoyne, S Buckley, R Baxter - Journal of Intellectual …, 2021 - Wiley Online Library
Background This study examines speech production accuracy in children with Down
syndrome and concurrent relationships with hearing, language and reading ability. It also …