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Related Experiment Videos

Olivocochlear efferent suppression in classical musicians.

Shanda M Brashears1, Thierry G Morlet, Charles I Berlin

  • 1Kresge Hearing Research Laboratory, Department of Otorhinolaryngology, Louisiana State University Health Sciences Center, New Orleans 70112, USA. sbrash@lsuhsc.edu

Journal of the American Academy of Audiology
|October 14, 2003
PubMed
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Musicians exhibit enhanced auditory function, showing greater suppression of otoacoustic emissions compared to non-musicians. This suggests music may strengthen auditory pathways and influence hearing mechanisms.

Area of Science:

  • Auditory Neuroscience
  • Otoacoustic Emissions
  • Human Auditory Physiology

Background:

  • Transient-evoked otoacoustic emissions (TEOAEs) reflect outer hair cell function in the cochlea.
  • The olivocochlear reflex (OCR) modulates cochlear sensitivity.
  • Musicians may possess distinct auditory processing capabilities due to prolonged sound exposure.

Purpose of the Study:

  • To investigate differences in TEOAE suppression between professional musicians and non-musicians.
  • To explore the potential impact of musical training on auditory efferent pathways.
  • To examine the relationship between music exposure and auditory reflex thresholds.

Main Methods:

  • TEOAEs were measured in 29 orchestra musicians and 28 age/gender-matched non-musicians.

Related Experiment Videos

  • Binaural broadband noise was used as a suppressor stimulus in a forward masking paradigm.
  • Middle-ear muscle reflex (MEMR) thresholds were also assessed.

    • Main Results:

    • Musicians demonstrated significantly greater TEOAE suppression in both ears compared to controls.
    • Middle-ear muscle reflex thresholds were elevated in musicians at certain frequencies.
    • Age and gender did not significantly alter the observed differences in TEOAE suppression.

    Conclusions:

    • Musicians exhibit enhanced efferent auditory system function, indicated by greater TEOAE suppression.
    • Musical training may act as a conditioning stimulus, potentially strengthening central auditory pathways.
    • These findings suggest that music exposure can influence the OCR and auditory processing.