A systematic review of stimulus parameters for eliciting distortion product otoacoustic emissions from adult humans.

Authors:
Lucretia Petersen, MSc Audiology
Lucretia Petersen, MSc Audiology
University of Cape Town
Senior Lecturer
Audiology
Western Cape | South Africa

Int J Audiol 2017 06 20;56(6):382-391. Epub 2017 Feb 20.

a Department of Health and Rehabilitation Sciences , University of Cape Town , Cape Town , South Africa and.

Objective: The objective of this study is to review the scientific literature to determine if a set of stimulus parameters can be described to elicit distortion product otoacoustic emissions (DPOAEs) of higher absolute level and/or greater reliability in healthy adult humans and higher sensitivity and specificity in adults with cochlear lesions.

Design: Systematic review.

Study Sample: Searches of four electronic databases yielded 47 studies that had used different parameters to elicit DPOAEs from within or between-groups of adult humans.

Results: The wide range of stimulus parameters used in the reviewed studies saw a wide range of reported values for DPOAE level, reliability, and sensitivity and specificity to cochlear lesions.

Conclusion: The most commonly used stimulus parameters for eliciting DPOAEs from adult humans have included frequency ratios for the two primary tones (f/f) of between 1.04 and 1.4 and levels (L/L) of 65/55 dB SPL. The most commonly used parameters for eliciting DPOAEs of higher level in healthy adults appear to be linked to f/f values between 1.20 and 1.22 and L/L levels of 75/75 dB SPL. The stimulus parameters for eliciting DPOAEs of greater reliability in healthy adults and higher sensitivity and specificity in adults with cochlear lesions have yet to be clearly determined.

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Source
http://dx.doi.org/10.1080/14992027.2017.1290282DOI Listing
June 2017
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References

(Supplied by CrossRef)

Beattie R.C. et al.
J Am Acad Audiol 2003

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