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:: Volume 21, Issue 4 (19 2012) ::
aud 2012, 21(4): 10-18 Back to browse issues page
The capability of gap in noise detection in patients with multiple sclerosis
Ayub Valadbeigi1 , Nematollah Rouhbakhsh * 1, Ghasem Mohammadkhani1 , Leila Jalilvand Karimi2 , Shohre Jalaie3
1- Department of Audiology, School of Rehabilitation, Tehran University of Medical Sciences, Iran
2- Department of Audiology, Faculty of Rehabilitation, Shahid beheshti University of Medical Sciences, Iran
3- Biostatistic Department, School of Rehabilitation, Tehran University of Medical Sciences, Iran
Abstract:   (11119 Views)

Background and Aim: The temporal processing is one of the critical features in central auditory processing system the gap in noise (GIN) test is the appropriate clinical tool for appraisal of temporal resolution which in people with multiple sclerosis may encounter with complications. Consequently, the aim of this study was to compare the results of gap in noise test in 18 to 40-year-old patients with multiple sclerosis and normal participants.
Methods: This cross-sectional non-invasive cohort study was conducted on 20 patients with relapsing-remitting multiple sclerosis (mean age: 28.9 years) and 26 healthy normal hearing participant (mean age: 27.7 years) in the age range 18 to 40 years. The approximate threshold and percent of corrected responses were obtained and then were analyzed using Student&aposs t-test.
Results: There was an increase in gap detection and decrease in percent of corrected responses in gap in noise test within multiple sclerosis patients in comparison with normal people (p<0.0001). Moreover, there were a correlation of 78% between increasing disease duration and approximate threshold and also a correlation of 82% between increasing disease duration and corrected responses (p<0.0001).
Conclusion: Based on the findings of this study, it seems that people with multiple sclerosis suffer from some degree of disorder in the temporal resolution which might be due to involvement of central nerve system and, somehow, deficit in central auditory processing. Therefore, for evaluating the temporal resolution in people with multiple sclerosis, gap in noise test could be useful.

Keywords: Central auditory processing, temporal resolution, gaps in noise, multiple sclerosis
Full-Text [PDF 156 kb]   |   Full Text (HTML)   (3865 Downloads)    
Type of Study: Research |
Received: 2012/02/12 | Accepted: 2012/07/22 | Published: 2013/10/15
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 21, Issue 4 (19 2012) Back to browse issues page
شنوایی شناسی - دانشگاه علوم پزشکی تهران Bimonthly Audiology - Tehran University of Medical Sciences
Creative Commons Attribution-NonCommercial 3.0

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