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Updated: Jul 11, 2026
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Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
Published on: January 23, 2017
A comparison between hearing and tone burst electrophysiological thresholds
Fernanda Rodrigues Pinto1, Carla Gentile Matas
1Fundação de Amparo a Pesquisa, Estado de São Paulo.
Brazilian Journal of Otorhinolaryngology
|October 10, 2007
Summary
Auditory Brainstem Response (ABR) testing with tone bursts showed that only wave V was consistently visualized. Electrophysiological, hearing, and psychoacoustic thresholds varied significantly between genders and frequencies.
Area of Science:
- Audiology
- Neuroscience
- Hearing Science
Background:
- Compatibility between hearing and electrophysiological thresholds in Auditory Brainstem Response (ABR) using tone burst stimuli has been previously reported.
- Auditory Brainstem Response (ABR) is a key electrophysiological test for assessing the auditory pathway function.
Purpose of the Study:
- To verify auditory brainstem response (ABR) waves I, III, and V, and their latency times for tone bursts at various frequencies (500, 1000, 2000, 4000 Hz) and a fixed intensity (80 dB HL).
- To compare tone burst electrophysiological thresholds with audiological and psychoacoustic evaluation results.
Main Methods:
- Evaluated 40 individuals (male and female, aged 18-40 years) with normal hearing.
- Conducted audiological, psychoacoustic, and electrophysiological assessments.
Main Results:
- Only wave V was consistently visualized at 80 dB HL, with latency decreasing as frequency increased in both genders.
- Male subjects exhibited higher electrophysiological thresholds than females at 1000, 2000, and 4000 Hz.
- Statistically significant differences were observed in electrophysiological, hearing, and psychoacoustic thresholds between genders at 500, 1000, and 2000 Hz.
Conclusions:
- Auditory Brainstem Response (ABR) using tone burst stimuli is clinically applicable.
- Further research is necessary to standardize ABR testing techniques and results for clinical consistency.
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