Abstract
OBJECTIVE:To identify a cutoff value based on the Percentage of Consonants Correct-Revised index that could indicate the likelihood of a child with a speech-sound disorder also having a (central) auditory processing disorder.METHODS:Language, audiological and (central) auditory processing evaluations were administered. The participants were 27 subjects with speech-sound disorders aged 7 to 10 years and 11 months who were divided into two different groups according to their (central) auditory processing evaluation results.RESULTS:When a (central) auditory processing disorder was present in association with a speech disorder, the children tended to have lower scores on phonological assessments. A greater severity of speech disorder was related to a greater probability of the child having a (central) auditory processing disorder. The use of a cutoff value for the Percentage of Consonants Correct-Revised index successfully distinguished between children with and without a (central) auditory processing disorder.CONCLUSIONS: The severity of speech-sound disorder in children was influenced by the presence of (central) auditory processing disorder. The attempt to identify a cutoff value based on a severity index was successful.
Highlights
The heterogeneity of children with speech-sound disorders (SSDs) suggests that disorder subtypes should be defined to establish effective tests and specific diagnostic criteria for more accurate assessments of speech-sound errors.The Percentage of Consonants Correct-Revised (PCC-R) index [1,2] is one of the most commonly applied indexes used to quantify the severity of speech impairment in children with SSDs during both evaluation and intervention [1,2,3,4,5]
This auditory feedback is crucial for phonological development and the integrity of auditory processing plays an important role in this process, which culminates in the auditory perception of sound
The results from the auditory processing tests indicated that five children in Group 1 (G1) had only one test score that indicated impairment (Table 1)
Summary
The Percentage of Consonants Correct-Revised (PCC-R) index [1,2] is one of the most commonly applied indexes used to quantify the severity of speech impairment in children with SSDs during both evaluation and intervention [1,2,3,4,5] This quantitative measure is highly sensitive to differences in phonological deficits because it provides information pertaining to the two main error types: omissions and substitutions [1,2]. This auditory feedback is crucial for phonological development and the integrity of (central) auditory processing plays an important role in this process, which culminates in the auditory perception of sound
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