AI Article Synopsis
- The ABR is the most commonly used test for hearing loss detection, but it lacks frequency specificity, while the ASSR is more suited for this purpose.
- The study aimed to evaluate the effectiveness of ASSR in estimating hearing thresholds and determining the best modulation frequency for individuals with hearing impairment.
- Results showed a moderate correlation between PTA (standard hearing tests) and ASSR thresholds at certain frequencies, but overall, ASSR could only provide approximate estimates for hearing thresholds, indicating limited reliability.
Article Abstract
The most popular objective physiologic test for detecting hearing loss that is in use today is the ABR, however it is not frequency specific. The frequency specific tool available for evaluation of hearing is ASSR. The study is aimed to assess the ability of ASSR to estimate hearing thresholds and identify the ideal modulation frequency in hearing impaired personnel. All subjects and controls were subjected to PTA to determine presence/absence of hearing loss, and the nature and configuration of the hearing loss if any. The subjects were then subjected to ASSR testing to objectively ascertain hearing thresholds. The PTA thresholds obtained and the hearing thresholds obtained by ASSR were correlated in this study. The study was carried out in 100 subjects under the age of 50 years (50 with normal hearing & 50 with impaired hearing by PTA) after obtaining informed consent. Moderate correlation was found between PTA and ASSR thresholds only in certain frequencies while in other frequencies the correlation though present, was low. This study concluded that ASSR system could be used to estimate hearing thresholds only approximately as no significant linear correlations were found between PTA thresholds and ASSR at the tested frequencies.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10188840 | PMC |
| http://dx.doi.org/10.1007/s12070-022-03270-3 | DOI Listing |
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