Distortion-product otoacoustic-emission suppression tuning in human infants and adults using absorbed sound power

Douglas H. Keefe, Carolina Abdala

Research output: Contribution to journalArticle

3 Scopus citations


The greatest difference in distortion product otoacoustic emission (DPOAE) suppression tuning curves (STCs) in infant and adult ears occurs at a stimulus frequency of 6 kHz. These infant and adult STCs are much more similar when constructed using the absorbed power level of the stimulus and suppressor tones rather than using sound pressure level. This procedure incorporates age-related differences in forward and reverse transmission of sound power through the ear canal and middle ear. These results support the theory that the cochlear mechanics underlying DPOAE suppression are substantially mature in full-term infants.

Original languageEnglish (US)
Pages (from-to)EL108-EL113
JournalJournal of the Acoustical Society of America
Issue number4
StatePublished - Apr 1 2011


ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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