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Unilateral hearing loss: benefit of amplification in the ordering and temporal resolution and sound localization

Full text
Author(s):
Marina De Marchi dos Santos
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 Fernanda Capoani Garcia Mondelli; Mariza Ribeiro Feniman; Carlos Henrique Ferreira Martins; Ticiana Cristina de Freitas Zambonato
Advisor: Maria Fernanda Capoani Garcia Mondelli
Abstract

The Unilateral hearing loss (UHL) is characterized by decreased hearing in one ear. In individuals with this type of hearing loss the hearing abilities of sound localization, and temporal processing, ordering and temporal resolution, are affected. The objective of this study was to assess the hearing abilities of temporal ordering, temporal resolution and sound localization before and after the fitting of a hearing aid (HA). They evaluated 22 subjects, aged 18 to 60 years, diagnosed with sensorineural or mixed UHL, from mild to severe degrees. The study was divided into two stages: the pre and post-adaptation of HA. In both phases, subjects were submitted to an interview, application of Questionnarie for Desabilities Associated with Impaired Auditory Localization, auditory processing screening protocol (APSP) and Random Gap Detection Test (RGDT). This study found no statistically significant difference in the evaluation of APSP except in the memory test for non-verbal sounds in sequence, in RGDT and Questionnarie for Desabilities Associated with Impaired Auditory Localization. The conclusion was that with the effective use of hearing aids, individuals with UHL showed improvement in the auditory abilities of sound localization, ordering and temporal resolution. (AU)

FAPESP's process: 14/11432-1 - Unilateral hearing loss: benefit of the amplification in the ordering and temporal resolution and spatial location of the sound source
Grantee:Marina de Marchi dos Santos
Support Opportunities: Scholarships in Brazil - Master