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Data Acquisition and Analysis In Brainstem Evoked Response Audiometry In Mice
Published on: May 10, 2019
[On the reliability of brainstem electric response audiometry (BERA)]
1Phoniatrie und Pädaudiologie, Klinik für Hals-, Nasen- und Ohrenheilkunde, Universitätsmedizin Göttingen, Göttingen, Germany.
Laryngo- Rhino- Otologie
|August 2, 2012
Summary
Notched-Noise-Brainstem Electric Response Audiometry (NN-BERA) demonstrates high long-term reliability for assessing hearing loss in children. This frequency-specific method is more accurate than Click-BERA for early detection of hearing disabilities.
Area of Science:
- Audiology
- Pediatric audiology
- Neuroscience
Background:
- Brainstem Electric Response Audiometry (BERA) is a standard clinical tool.
- Evaluating the long-term reliability of BERA-determined frequency-specific thresholds in children with hearing impairments is crucial for effective management.
Purpose of the Study:
- To assess the long-term reliability of Notched-Noise-BERA (NN-BERA) and Click-BERA thresholds compared to behavioral audiometry in hearing-impaired children.
Main Methods:
- A cohort of 97 hearing-impaired children was studied.
- Comparison of NN-BERA and Click-BERA thresholds (obtained shortly after birth) with behavioral audiometry thresholds (obtained after a mean of 3.2 years).
Main Results:
- Both BERA methods showed significant correlation with behavioral audiometry.
- Correlation coefficients for NN-BERA thresholds were higher than those for Click-BERA thresholds, indicating superior reliability.
Conclusions:
- NN-BERA provides reliable characterization of early-onset hearing disabilities in children.
- Abnormal Click-BERA findings warrant further frequency-specific evaluation using NN-BERA.
