Short term test-retest reliability of contralateral inhibition of distortion product otoacoustic emissions

Mohan Kumar Kalaiah, Alina Lasrado, Nikita Pinto, Usha Shastri

Research output: Contribution to journalArticle

Abstract

Background and Objectives: Strength of medial olivocochlear reflex can be measured reliably using contralateral inhibition of distortion product otoacoustic emissions (DPOAEs) when its fine structure is considered. However, measurement of fine structure of DPOAE is difficult with clinical equipment. Thus, this study investigated the clinically relevant test-retest reliability of contralateral inhibition of DPOAEs. Subjects and Methods: Twenty-six young adults with normal hearing sensitivity participated. DPOAEs were recorded at 27 discrete f2 frequencies between 800 Hz and 8,000 Hz at frequency resolution of 8 points per octave with and without contralateral white noise presented at 50 dB SPL. To check for short term inter-session reliability, contralateral inhibition of DPOAEs were recorded in three sessions, two recording sessions on first day separated by 30 minutes and third time after one week of the first session. Within each session, DPOAEs were recorded twice in single probe-fit condition to test for intra-session reliability. Results: Cronbach's alpha was calculated having poor reliability (a= 0.7) of contralateral inhibition of DPOAEs in both intra-session and inter-session conditions for most of the tested frequencies. 95% confidence intervals of contralateral inhibition magnitude also showed large variability. Conclusions: The current results showed that though DPOAE amplitudes were highly reliable across sessions, amount of inhibition of DPOAEs was not reliable when DPOAEs were measured at discrete frequencies. These findings are concurrent with the literature.

Original languageEnglish
Pages (from-to)189-196
Number of pages8
JournalJournal of audiology and otology
Volume22
Issue number4
DOIs
Publication statusPublished - 01-10-2018

Fingerprint

Reproducibility of Results
Hearing
Reflex
Inhibition (Psychology)
Young Adult
Confidence Intervals
Equipment and Supplies

All Science Journal Classification (ASJC) codes

  • Sensory Systems
  • Speech and Hearing

Cite this

@article{eaea0d178e9c477fae2a302c5ea12cd1,
title = "Short term test-retest reliability of contralateral inhibition of distortion product otoacoustic emissions",
abstract = "Background and Objectives: Strength of medial olivocochlear reflex can be measured reliably using contralateral inhibition of distortion product otoacoustic emissions (DPOAEs) when its fine structure is considered. However, measurement of fine structure of DPOAE is difficult with clinical equipment. Thus, this study investigated the clinically relevant test-retest reliability of contralateral inhibition of DPOAEs. Subjects and Methods: Twenty-six young adults with normal hearing sensitivity participated. DPOAEs were recorded at 27 discrete f2 frequencies between 800 Hz and 8,000 Hz at frequency resolution of 8 points per octave with and without contralateral white noise presented at 50 dB SPL. To check for short term inter-session reliability, contralateral inhibition of DPOAEs were recorded in three sessions, two recording sessions on first day separated by 30 minutes and third time after one week of the first session. Within each session, DPOAEs were recorded twice in single probe-fit condition to test for intra-session reliability. Results: Cronbach's alpha was calculated having poor reliability (a= 0.7) of contralateral inhibition of DPOAEs in both intra-session and inter-session conditions for most of the tested frequencies. 95{\%} confidence intervals of contralateral inhibition magnitude also showed large variability. Conclusions: The current results showed that though DPOAE amplitudes were highly reliable across sessions, amount of inhibition of DPOAEs was not reliable when DPOAEs were measured at discrete frequencies. These findings are concurrent with the literature.",
author = "Kalaiah, {Mohan Kumar} and Alina Lasrado and Nikita Pinto and Usha Shastri",
year = "2018",
month = "10",
day = "1",
doi = "10.7874/jao.2018.00038",
language = "English",
volume = "22",
pages = "189--196",
journal = "Journal of audiology and otology",
issn = "2384-1621",
publisher = "Korean Audiological Society",
number = "4",

}

Short term test-retest reliability of contralateral inhibition of distortion product otoacoustic emissions. / Kalaiah, Mohan Kumar; Lasrado, Alina; Pinto, Nikita; Shastri, Usha.

In: Journal of audiology and otology, Vol. 22, No. 4, 01.10.2018, p. 189-196.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Short term test-retest reliability of contralateral inhibition of distortion product otoacoustic emissions

AU - Kalaiah, Mohan Kumar

AU - Lasrado, Alina

AU - Pinto, Nikita

AU - Shastri, Usha

PY - 2018/10/1

Y1 - 2018/10/1

N2 - Background and Objectives: Strength of medial olivocochlear reflex can be measured reliably using contralateral inhibition of distortion product otoacoustic emissions (DPOAEs) when its fine structure is considered. However, measurement of fine structure of DPOAE is difficult with clinical equipment. Thus, this study investigated the clinically relevant test-retest reliability of contralateral inhibition of DPOAEs. Subjects and Methods: Twenty-six young adults with normal hearing sensitivity participated. DPOAEs were recorded at 27 discrete f2 frequencies between 800 Hz and 8,000 Hz at frequency resolution of 8 points per octave with and without contralateral white noise presented at 50 dB SPL. To check for short term inter-session reliability, contralateral inhibition of DPOAEs were recorded in three sessions, two recording sessions on first day separated by 30 minutes and third time after one week of the first session. Within each session, DPOAEs were recorded twice in single probe-fit condition to test for intra-session reliability. Results: Cronbach's alpha was calculated having poor reliability (a= 0.7) of contralateral inhibition of DPOAEs in both intra-session and inter-session conditions for most of the tested frequencies. 95% confidence intervals of contralateral inhibition magnitude also showed large variability. Conclusions: The current results showed that though DPOAE amplitudes were highly reliable across sessions, amount of inhibition of DPOAEs was not reliable when DPOAEs were measured at discrete frequencies. These findings are concurrent with the literature.

AB - Background and Objectives: Strength of medial olivocochlear reflex can be measured reliably using contralateral inhibition of distortion product otoacoustic emissions (DPOAEs) when its fine structure is considered. However, measurement of fine structure of DPOAE is difficult with clinical equipment. Thus, this study investigated the clinically relevant test-retest reliability of contralateral inhibition of DPOAEs. Subjects and Methods: Twenty-six young adults with normal hearing sensitivity participated. DPOAEs were recorded at 27 discrete f2 frequencies between 800 Hz and 8,000 Hz at frequency resolution of 8 points per octave with and without contralateral white noise presented at 50 dB SPL. To check for short term inter-session reliability, contralateral inhibition of DPOAEs were recorded in three sessions, two recording sessions on first day separated by 30 minutes and third time after one week of the first session. Within each session, DPOAEs were recorded twice in single probe-fit condition to test for intra-session reliability. Results: Cronbach's alpha was calculated having poor reliability (a= 0.7) of contralateral inhibition of DPOAEs in both intra-session and inter-session conditions for most of the tested frequencies. 95% confidence intervals of contralateral inhibition magnitude also showed large variability. Conclusions: The current results showed that though DPOAE amplitudes were highly reliable across sessions, amount of inhibition of DPOAEs was not reliable when DPOAEs were measured at discrete frequencies. These findings are concurrent with the literature.

UR - http://www.scopus.com/inward/record.url?scp=85057195749&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85057195749&partnerID=8YFLogxK

U2 - 10.7874/jao.2018.00038

DO - 10.7874/jao.2018.00038

M3 - Article

VL - 22

SP - 189

EP - 196

JO - Journal of audiology and otology

JF - Journal of audiology and otology

SN - 2384-1621

IS - 4

ER -