Conditions Underlying the Appearance of Spontaneous Otoacoustic Emissions in Mammals

Research output: Contribution to journalReview articlepeer-review


Across the wide range of land vertebrate species, spontaneous otoacoustic emissions (SOAE) are common, but not always found. The reasons for the differences between species of the various groups in their emission patterns are often not well understood, particularly within mammals. This review examines the question as to what determines in mammals whether SOAE are emitted or not, and suggests that the coupling between hair-cell regions diminishes when the space constant of frequency distribution becomes larger. The reduced coupling is assumed to result in a greater likelihood of SOAE being emitted.

Original languageEnglish
JournalJARO - Journal of the Association for Research in Otolaryngology
StateAccepted/In press - 2024
Externally publishedYes


  • Coupling
  • Otoacoustic emission
  • Space constant
  • Tectorial membrane


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