Abstract
Contemporary cross-sectional cohort study. There is evidence of the auditory perception influence on the development of oral and written language, as well as on the self-perception of vocal conditions. The auditory system maturation can impact on this process. ObjectiveTo characterize the auditory skills of temporal ordering and localization in dysphonic children. Materials and MethodsWe assessed 42 children (4 to 8 years). Study group: 31 dysphonic children; Comparison group: 11 children without vocal change complaints. They all had normal auditory thresholds and also normal cochleo-eyelid reflexes. They were submitted to a Simplified assessment of the auditory process (Pereira, 1993). In order to compare the groups, we used the Mann-Whitney and Kruskal-Wallis statistical tests. Level of significance: 0.05 (5%). ResultsUpon simplified assessment, 100% of the Control Group and 61.29% of the Study Group had normal results. The groups were similar in the localization and verbal sequential memory tests. The nonverbal sequential memory showed worse results on dysphonic children. In this group, the performance was worse among the four to six years. ConclusionThe dysphonic children showed changes on the localization or temporal ordering skills, the skill of non-verbal temporal ordering differentiated the dysphonic group. In this group, the Sound Location improved with age.
Highlights
It is not unusual for dysphonic children to be unable to judge the characteristics of their own voices; they depend on external signs, such as negative reactions from listeners so as to perceive aspects associated with their voice production and quality
Paper submitted to the BJORL-SGP (Publishing Management System – Brazilian Journal of Otorhinolaryngology) on June 24, 2010; and accepted on August 25; 2010. cod. 7178
Upon the distribution and description of the children according to age, gender, ENT and speech and hearing diagnoses and the results from the Auditory Processing Assessment, it is possible to notice that of the children from the Study Group (SG), 74.2% had organic-functional dysphonia, while only 25.8% had functional dysphonia
Summary
It is not unusual for dysphonic children to be unable to judge the characteristics of their own voices; they depend on external signs, such as negative reactions from listeners so as to perceive aspects associated with their voice production and quality. Peripheral hearing losses associated to voice changes, alter one’s voice perception[1]. To identify the dysphonic patient’s perceptiveauditory capacity conditions may be very valuable to establish treatment goals in vocal rehabilitation. These perception skills are important for self-monitoring of the new vocal conditions, even if subconsciously. The performance in auditory processing assessment in of dysphonic children, compared to that of other children without hearing and speech complaints, showed a statistically significant difference between the groups[2,3,4], pointing out that vocal rehabilitation may be subject to the auditory perception of one’s own voice
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