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Normalization of Bone Conduction Auditory Brainstem Evoked Responses in Normal Hearing Individuals
Tuba Türkman1, İrfan Kaygusuz1, Figen Başar2
1Department of Otorhinolaryngology, Fırat University School of Medicine, Elazığ, Turkey.
The Journal of International Advanced Otology
|November 10, 2018
Summary
This study found that both gender and age significantly impact auditory brainstem response (ABR) wave latencies in bone-conduction tests. These findings help establish normative values for ABR testing.
Area of Science:
- Audiology
- Neuroscience
- Otolaryngology
Background:
- Auditory brainstem responses (ABR) assess auditory pathway function.
- Wave and interpeak latencies (IPLs) are key diagnostic metrics in ABR.
- Age and gender are known factors influencing ABR latencies.
Purpose of the Study:
- To investigate the effects of age and gender on bone-conduction ABR wave and IPLs.
- To establish normative data for bone-conduction ABR testing.
Main Methods:
- 100 healthy participants (50 male, 50 female) aged 10-60 years.
- Bone-conduction ABR assessed on 200 ears.
- Participants divided into five age groups.
Main Results:
- Significant gender differences observed in wave latencies and IPLs (p<0.05).
- Wave latencies differed significantly across age groups based on stimulus intensity (p<0.05).
- No significant age-related differences found for IPLs.
Conclusions:
- Established normative values for bone-conduction ABR wave and IPLs at 50, 30, and 10 dB nHL.
- Provides a reference for clinical bone-conduction ABR procedures.
- Highlights the influence of age and gender on ABR parameters.
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