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A Method for Tracking the Time Evolution of Steady-State Evoked Potentials
Published on: May 25, 2019
Comparison between auditory steady-state responses and pure-tone audiometry.
Zoran Komazec1, Slobodanka Lemajić-Komazec, Rajko Jović
1Clinical Center of Vojvodina, Clinic for Ear, Nose and Throath Diseases, Novi Sad, Serbia. komazecz@ptt.rs
Vojnosanitetski Pregled
|October 19, 2010
Summary
The auditory steady-state response (ASSR) reliably determines hearing thresholds and hearing loss levels, correlating well with pure-tone audiometry (PTA). This makes ASSR an excellent complementary tool for audiological assessments.
Area of Science:
- Audiology
- Neuroscience
- Otoacoustic Emissions
Background:
- Auditory steady-state response (ASSR) is an increasingly important audiological test.
- Previous studies noted discrepancies between ASSR and pure-tone audiometry (PTA) hearing thresholds.
Purpose of the Study:
- Evaluate ASSR reliability for frequency-specific hearing thresholds.
- Correlate ASSR-determined thresholds with PTA findings.
- Assess ASSR reliability across different hearing loss levels and configurations.
Main Methods:
- Prospective study of 46 subjects (92 ears).
- Subjects grouped by hearing loss level and audiometric configuration.
- Hearing thresholds measured using both PTA and ASSR.
Main Results:
- Small overall differences between ASSR and PTA thresholds (2.5–4.4 dB across frequencies).
- High correlation between ASSR and PTA thresholds across all hearing loss levels and configurations.
- Differences <10 dB in 85% of subjects.
Conclusions:
- ASSR is a reliable complementary method for determining hearing thresholds.
- ASSR accurately assesses hearing loss level and audiometric configuration.
- ASSR provides valuable data for audiological evaluations.
