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Data Acquisition and Analysis In Brainstem Evoked Response Audiometry In Mice
Published on: May 10, 2019
Study of suppression effect in the brainstem auditory evoked potential.
Carla Gentile Matas1, Fernanda Nivoloni O Silva, Renata Aparecida Leite
1Fonoaudióloga, Universidade Federal de São Paulo, Brazil. cgmatas@usp.br
Pro-Fono : Revista De Atualizacao Cientifica
|November 25, 2010
Summary
Contralateral white noise significantly impacts brainstem auditory evoked potentials (BAEPs) in normal-hearing individuals. This suggests the efferent auditory system modulates BAEP responses when noise is present.
Area of Science:
- Auditory Neuroscience
- Neurophysiology
Background:
- Contralateral white noise can influence brainstem auditory evoked potential (BAEP) suppression.
- The efferent auditory system is a potential modulator of these effects.
Purpose of the Study:
- To investigate the suppression effect of contralateral white noise on BAEPs in individuals with normal hearing.
- To assess the impact of efferent auditory system activity on BAEPs.
Main Methods:
- 25 healthy adults (18-30 years) with normal hearing underwent BAEP testing.
- Testing was performed with and without contralateral white noise.
- Audiometry and acoustic immittance measurements confirmed normal hearing.
Main Results:
- Significant differences in wave I amplitude and waves III and V latencies were observed with contralateral noise.
- No significant differences were found in interpeak latencies.
- Contralateral noise led to increased latencies and reduced amplitudes for waves I, III, and V.
Conclusions:
- Contralateral white noise alters BAEPs in normal-hearing individuals.
- These findings support the hypothesis that the efferent auditory system influences BAEP response modulation.
- The efferent auditory system plays a role in how the brain processes auditory stimuli under noisy conditions.
