Abstract
AbstractAuditory processing and phonemic discrimination are essential for communication. Type of study: Retrospective. AimTo evaluate auditory processing and phonemic discrimination in children with normal and disordered phonological development. Material and MethodsAn evaluation of 46 children was carried out: 22 had phonological disorders and 24 had normally developing speech. Diotic, monotic and dichotic tests were applied to assess auditory processing and a test to evaluate phonemic discrimination abilities. DesignCross-sectional, contemporary. ResultsThe values of normally-developing children were within the normal range in all auditory processing tests; these children attained maximum phonemic discrimination test scores. Children with phonological disorders performed worse in the latter, and presented disordered auditory processing. ConclusionAuditory processing and phonemic discrimination in children with phonological disorders are altered.
Highlights
The myofunctional structures of the oral, auditory and central nervous system need to function normally for a child to acquire the sound of speech, otherwise disorders may become obstacles against such acquisition and the correct use of the phonological system.[1,2]At birth babies are able to detect contrasts in consonant sounds
The values of normally-developing children were within the normal range in all auditory processing tests; these children attained maximum phonemic discrimination test scores
Paper submitted to the BJORL-SGP (Publishing Management System – Brazilian Journal of Otorhinolaryngology) on December 15, 2009; and accepted on January 31, 2010. cod. 6841
Summary
At birth babies are able to detect contrasts in consonant sounds They thereafter become able to selectively discriminate the phonemes of the language to which they are exposed. During this period, the perception of new sounds is reorganized and improved, which are essential for speech learning, which will only occur if the child is able to discriminate phonemes. The perception of new sounds is reorganized and improved, which are essential for speech learning, which will only occur if the child is able to discriminate phonemes These abilities improve with age because of experience and maturation.[3,4,5]. Such speech difficulty is named phonological disorder, and is characterized by inadequate use of sounds (phoneme substitutions, omissions and distortions).[6,7]
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