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Applicability of SARDA (Hearing Disorders Rehabilitation Auxiliary Software) in children with hearing impairment

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Author(s):
Mariane Perin da Silva
Total Authors: 1
Document type: Master's Dissertation
Press: Bauru.
Institution: Universidade de São Paulo (USP). Faculdade de Odontologia de Bauru (FOB/SDB)
Defense date:
Examining board members:
Maria Cecilia Bevilacqua; Sheila Andreoli Balen; Adriane Lima Mortari Moret
Advisor: Maria Cecilia Bevilacqua
Abstract

The use of computers in audio and speech therapy is part of the therapeutic process, enabling the training of auditory skills through software. Thus, this study aimed at verifying the applicability of SARDA (Hearing Disorders Rehabilitation Auxiliary Software) in children with hearing impairment. The sample comprised 17 children with hearing impairment, being 10 users of a Cochlear Implant (CI) and seven users of a Hearing Aid (HA). The study was carried out in three phases: 1) speech perception assessment in silence and noise; 2) 30 minutes of SARDA stimulation, twice a week, during the necessary time for the child to finish the strategies; 3) reassessment of the requirements tested in the first phase, being the Hearing in Noise Test (HINT), the speech perception test utilized. Student´s t test, for paired and independent data, and Pearson´s Correlation test, were used in the statistical analysis. The children fitted with a CI needed, in average, 12.2 days to finish the games, and those using a HA, 10.14 days. The two groups presented a statistically significant difference between pre and post-assessments in silence and noise. The mean of Sentence Recognition Threshold (SRT) for the group of CI users was 62.5 dB in the pre-assessment and 55.28 dB in the post-assessment; the mean for signal to noise (S/N) ratio was 5.19 dB in the pre and 1.34 dB in the post-assessment. The mean SRT for the group of HA users was 61.8 dB in the pre and 55.27 dB in the post-assessment and the S/N ratio was 5.89 dB in the pre and 2.43 dB in the post-assessment. The analysis of how the children performed in the strategies, showed a gradual decrease in the time spent to complete the phases. Younger children needed more time to finish the training or were unable to complete the strategies; nevertheless, no statistical correlation between age and the performance in the strategies was seen. It can be concluded that the auditory training with SARDA was effective, for the results showed an improvement in the speech perception skills, in silence and in noise, for the children with hearing impairment. (AU)

FAPESP's process: 09/06818-0 - Applicability of Auditory Disturbance Rehabilitation Auxiliary Software (SARDA) in children users of cochlear implant
Grantee:Mariane Perin da Silva
Support Opportunities: Scholarships in Brazil - Master