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Auditory brainstem response (ABR) findings in males and females with comparable head sizes at supra-threshold and threshold levels

Zakaria, Mohd Normani and Abdul Wahab3, Noor Alaudin and Maamor, Nashrah and Jalaei, Bahram and Dzulkarnain, Ahmad Aidil Arafat (2019) Auditory brainstem response (ABR) findings in males and females with comparable head sizes at supra-threshold and threshold levels. Neurology, Psychiatry and Brain Research, 32. pp. 4-7. ISSN 0941-9500 E-ISSN 2212-8581

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Abstract

Background and purpose: Gender disparities in auditory brainstem response (ABR) results have been reported but the exact reasons remain controversial. Difference in head size between genders has been suggested but the literature is lacking, particularly at threshold levels. In this short communication, we compared ABR results between males and females with comparable head sizes at supra-threshold and threshold levels. Materials and methods: In this comparative study, of 58 healthy young adults, 30 of them (17 females and 13 males) with comparable head sizes underwent the standard ABR testing. Wave V latencies and ABR thresholds were determined and analyzed accordingly. Results: At the supra-threshold level, significantly shorter wave V latencies were found in females than in males (p=0.029). This difference was substantive (d=0.86) and persisted even when the head size was included in the analysis (p=0.032). In contrast, no significant differences in ABR thresholds were found between genders (p > 0.05). Conclusions: Significant gender differences in ABR results among young adults were only found at the suprathreshold level, which were not related to the head size. Based on the study outcomes, gender-specific normative data for ABR are still beneficial for clinical applications, particularly when recording ABR at high stimulation levels.

Item Type: Article (Journal)
Additional Information: 4465/71083
Uncontrolled Keywords: Auditory, Brainstem, Gender, Head size, Threshold
Subjects: R Medicine > RF Otorhinolaryngology
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Allied Health Sciences
Kulliyyah of Allied Health Sciences > Department of Audiology and Speech-Language Pathology
Depositing User: Dr Ahmad Aidil Arafat Dzulkarnain
Date Deposited: 13 Mar 2019 16:06
Last Modified: 12 Jul 2019 15:34
URI: http://irep.iium.edu.my/id/eprint/71083

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