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:: Volume 23, Issue 3 (8-2014) ::
aud 2014, 23(3): 13-21 Back to browse issues page
Speech-evoked auditory brainstem responses in adult Persian-speakers
Mohsen Ahadi1 , Akram Pourbakht * 1, Amir Homayoun Jafari2 , Zahra Shirjian2 , Amir Salar Jafarpisheh2
1- Department of Audiology, Faculty of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
2- Department of Medical Physics and Biomedical Engineering, School of Medicine, Tehran University of Medical Sciences, Iran
Abstract:   (25153 Views)

Background and Aim: Speech-evoked auditory brainstem responses were used in the assessment of subcortical encoding of the speech stimuli in the English language. These processes are affected by language background and experiences. Considering the language specific acoustic differences, the aim of current study was establishing the response norms in adult Persian-speakers and comparing the encoding of the speech syllable /da/ between Persian and English languages.

Methods: Auditory brainstem responses to speech syllable /da/ in the right ear, gained from 48 normal adults (25 women and 23 men) with the mean age of 22.70 with SD 2.05 years were recorded. After characterizing the onset elements, transition from consonant to vowel, the periodic portion and offset of response, the Persian dataset were compared with 95% confidence interval norms in the age range of 18-28 years.

Results: The response to speech syllable /da/ was successfully recorded in all of the subjects and main features of response were highly overlapped with published English norms.

Conclusion: Normative values for speech-evoked auditory brainstem responses in adult Persian speakers are presented in the current survey. Our findings suggest that the recommended procedure and more importantly, the scoring method based on English norms can be used in Persian speakers without replacing the original synthetic vowel /da/.
Keywords: Speech encoding, auditory brainstem responses, central auditory processing
Full-Text [PDF 191 kb]   |   Full Text (HTML)   (2794 Downloads)    
Type of Study: Research |
Received: 2013/05/31 | Accepted: 2013/07/2 | Published: 2014/02/19
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 23, Issue 3 (8-2014) Back to browse issues page
شنوایی شناسی - دانشگاه علوم پزشکی تهران Bimonthly Audiology - Tehran University of Medical Sciences
Creative Commons Attribution-NonCommercial 3.0

This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.

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