Discussion: 1. As an overall trend, intelligibility improved significantly with age. However,
individual variability was marked and some speakers showed severely reduced intelligibility …

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 …

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 …

Speech intelligibility is a major problem for individuals with Down syndrome. Although there
is clinical research regarding risk factors, as well as some specific characteristics of speech …

The purpose of the study was to document speech intelligibility deficits for a group of five
adult males with Down syndrome, and use listener based error profiles to identify phonetic …

People with Down syndrome (DS) can experience difficulties with speech production that
can impact on speech intelligibility. In previous research, both perceptual and acoustic …

Many children with Down syndrome have difficulty with speech intelligibility. The present
study used a parent survey to learn more about a specific factor that affects speech …

There is a well developed literature on the development of vocabulary and grammar in
children with Down syndrome but limited information in the area of speech production. The …

Background Speech intelligibility is a global indicator of the severity of a speech problem. It
is a measure that has been used frequently in research and clinical assessment of speech …

The present study investigated the articulatory and acoustic characteristics of vowel
production in individuals with Down syndrome (DS). Speech production deficits and reduced …