The influence of (central) auditory processing disorder in speech sound disorders

Tatiane Faria Barrozo,Luciana De Oliveira Pagan-Neves,Nadia Vilela,Renata Mota Mamede Carvallo,Haydée Fiszbein Wertzner

doi:10.1016/j.bjorl.2015.01.008

Tatiane Faria Barrozo, Luciana De Oliveira Pagan-Neves + Show 3 more

Open Access

https://doi.org/10.1016/j.bjorl.2015.01.008

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Abstract

IntroductionConsidering the importance of auditory information for the acquisition and organization of phonological rules, the assessment of (central) auditory processing contributes to both the diagnosis and targeting of speech therapy in children with speech sound disorders. ObjectiveTo study phonological measures and (central) auditory processing of children with speech sound disorder. MethodsClinical and experimental study, with 21 subjects with speech sound disorder aged between 7.0 and 9.11 years, divided into two groups according to their (central) auditory processing disorder. The assessment comprised tests of phonology, speech inconsistency, and metalinguistic abilities. ResultsThe group with (central) auditory processing disorder demonstrated greater severity of speech sound disorder. The cutoff value obtained for the process density index was the one that best characterized the occurrence of phonological processes for children above 7 years of age. ConclusionThe comparison among the tests evaluated between the two groups showed differences in some phonological and metalinguistic abilities. Children with an index value above 0.54 demonstrated strong tendencies towards presenting a (central) auditory processing disorder, and this measure was effective to indicate the need for evaluation in children with speech sound disorder.

Highlights

Several aspects have been explored in the studies of children with speech sound disorder (SSD), which is a speech disorder characterized by an inadequate use of phonological rules of language (DSM-IV F80.0 --- 315.39)
In the analysis performed by gender in both groups, the results showed that there was no difference between percentage distribution for this variable (p > 0.999, Fisher’s exact test), it was noted that most of the subjects were male, both in the control group (CG) (7) and the study group (SG) (8)
As to the number of different types of phonological processes in phonological tests, the results showed that SG participants used a mean of four types of phonological processes in each of the tasks

Summary

Introduction

Several aspects have been explored in the studies of children with speech sound disorder (SSD), which is a speech disorder characterized by an inadequate use of phonological rules of language (DSM-IV F80.0 --- 315.39). The dynamic models that attempt to explain the development of speech production indicate an interaction between auditory perception, sound production, and sound representation.[1,2] a detailed observation of the performance of children with SSD regarding central auditory processing skills can contribute a great deal to the understanding of speech and language manifestations. An impairment in the phonological system is the main feature of SSD and may stem from specific difficulties related to cognitive-linguistic processing (organization of phonological rules), auditory processing, and/or speech production. The interrelationship among these three processings has been the subject of several studies3---5 that sought to improve the understanding of the manifestations observed in children with SSD

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