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Efferent Control in Musicians: A Review
Francisca Acuña1, Rodrigo Jeria1, Elisabeth Pavez2
1Escuela de Tecnología Médica, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile.
Audiology Research
|January 17, 2023
Summary
Musicians show a more robust efferent olivocochlear reflex, potentially enhancing auditory perception. However, its specific role in auditory filter changes requires further investigation with new studies.
Area of Science:
- Auditory Neuroscience
- Otoacoustic Emissions
- Auditory Perception
Background:
- Musicians exhibit superior auditory skills compared to non-musicians.
- This enhancement may involve the olivocochlear efferent system's influence on cochlear response.
Purpose of the Study:
- To review and analyze evidence on efferent response differences between musicians and non-musicians.
- To investigate the role of the efferent olivocochlear system in musicians' auditory abilities.
Main Methods:
- Review of scientific literature on auditory perception and efferent responses.
- Analysis of studies measuring otoacoustic emissions suppression to assess efferent activity.
Main Results:
- Musicians demonstrate a more robust efferent olivocochlear reflex compared to non-musicians, evidenced by greater suppression of otoacoustic emissions.
- The precise contribution of this efferent system to auditory filter characteristics in musicians remains undetermined.
Conclusions:
- While musicians possess a stronger efferent olivocochlear reflex, its functional significance for auditory processing is not yet established.
- Further research utilizing psychoacoustic techniques is necessary to elucidate the efferent reflex's impact on auditory filter properties in musicians.
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