Otoacoustic Emissions

Oostenbrink, Peter; Verhaagen-Warnaar, Nineke

doi:10.1080/1086508x.2004.11079481

Cited by 8 publications

(10 citation statements)

References 1 publication

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“…OAEs are believed to be a measurement of outer hair cell function and to be a by-product of the cochlear amplifier, a metabolic mechanism that enhances cochlear partition vibration during transmission of sound through the hearing system [ 5 , 6 ]. Recovered OAEs in this patient strongly suggest that OAEs may serve as a tool to measure cochlear function and serve as a treatment outcome for LEH.…”

Section: Discussionmentioning

confidence: 99%

Recovery of Otoacoustic Emission Function in Luetic Endolymphatic Hydrops: A Possible Measure of Improvement in Cochlear Function

Chun

Pinto

Blankenhorn

et al. 2009

International Journal of Otolaryngology

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Syphilis is a preventable and curable multi-organ disease caused by Treponema pallidum that may also affect the inner ear. First reported in 1887 by Adam Politzer, luetic endolymphatic hydrops (LEH) is a treatable complication of syphilis which causes a potentially reversible sensorineural hearing loss. Symptoms of LEH include fluctuating hearing loss (often low frequency), tinnitus, and vertigo. Though audiometric parameters have been examined in patients with otosyphilis, few studies have examined the use of otoacoustic emissions (OAEs) as a tool to measure improvement in cochlear function. Here we report an improvement in hearing loss, speech discrimination, and OAEs following treatment of LEH.

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Section: Discussionmentioning

confidence: 99%

Recovery of Otoacoustic Emission Function in Luetic Endolymphatic Hydrops: A Possible Measure of Improvement in Cochlear Function

Chun

Pinto

Blankenhorn

et al. 2009

International Journal of Otolaryngology

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“…The sum of the stimuli within each group and every single auditory response following the specific stimulus was considered as zero. Any difference due to nonlinear conduction in the ear was preserved (13,14,15).…”

Section: Transitory Otoacoustic Emission (Toae)mentioning

confidence: 99%

“…These sounds are ultimately processed and amplified by the cochlea and are responsible for frequency selectivity. In addition, the discovery of outer hair cell motility by Brownell in 1983 (11,12,13,14) provided a physical substrate in cochlear processes, because the measurement of the individual strength generated by outer hair cell indicates that activation of a large number of cells could modulate the cochlear basilar membrane's mechanical responses. This property allows the outer hair cells to function as an amplifier (14,15).…”

Section: Introductionmentioning

confidence: 99%

“…Transient OAEs (TOAEs) are complex acoustic events that occur deep within the human cochlea and are present at early stages in all individuals with normal hearing (11,12,13,14). It is expected that individuals with normal integrity of the middle ear and satisfactory functionality of the cochlear outer hair cells display high reproducibility levels.…”

Section: Introductionmentioning

confidence: 99%

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A potential tuning role for the outer hair cells in children with language disorders

Durand-Rivera

Ceballos-Reyes³

2013

Front Biosci

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The cochlear outer hair cells serve a tuning function, and any dysfunction of their electromotile response can be reflected in language disorders. Otoacoustic emissions can be used to determine any dysfunction of these cells. A set of clinical records was established to register the neurological and auditory functioning in 42 children, followed by assessment with the Wechsler Intelligence Scale for Children (WISC), the Initial Language Test (ILT), the Auditory and Phonetic Discrimination Evaluation (APDE), tests for measuring Brainstem Auditory Evoked Potential (BAEP) and Transient Otoacoustic Emissions (TOAE). Subjects were classified into 3 groups in this study: Control (C; n = 20), Syntactic Phonological Disorder (SPD; n = 17), and those with Phonological Disability (PD; n = 5). BAEP studies showed a clear response when all children were stimulated to 20 dB. TOAE responses displayed clear and significant differences with half-octave band reproducibility for both ears, the largest effect being observed in the right ear. The results that were compared using ANOVA tests, showed that cochlear processing affects the brain language function, playing a critical role in the language phonetic process.

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“…Two objective measures used as biomarkers of auditory system function were employed. The speed and objectivity of the auditory brainstem response (ABR) [1, 2] and the transient otoacoustic emission (TEOAE) [3, 4] have established these tests as diagnostic and scientific measures of auditory system function in newborns. The measures as applied in this study have been described previously [5].…”

Section: Introductionmentioning

confidence: 99%

Prenatal Exposure to Tobacco and Alcohol Alters Development of the Neonatal Auditory System

et al. 2021

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Prenatal exposures to alcohol (PAE) and tobacco (PTE) are known to produce adverse neonatal and childhood outcomes including damage to the developing auditory system. Knowledge of the timing, extent, and combinations of these exposures on effects on the developing system is limited. As part of the physiological measurements from the Safe Passage Study, Auditory Brainstem Responses (ABRs) and Transient Otoacoustic Emissions (TEOAEs) were acquired on infants at birth and one-month of age. Research sites were in South Africa and the Northern Plains of the U.S. Prenatal information on alcohol and tobacco exposure was gathered prospectively on mother/infant dyads. Cluster analysis was used to characterize three levels of PAE and three levels of PTE. Repeated-measures ANOVAs were conducted for newborn and one-month-old infants for ABR peak latencies and amplitudes and TEOAE levels and signal-to-noise ratios. Analyses controlled for hours of life at test, gestational age at birth, sex, site, and other exposure. Significant main effects of PTE included reduced newborn ABR latencies from both ears. PTE also resulted in a significant reduction of ABR peak amplitudes elicited in infants at 1-month of age. PAE led to a reduction of TEOAE amplitude for 1-month-old infants but only in the left ear. Results indicate that PAE and PTE lead to early disruption of peripheral, brainstem, and cortical development and neuronal pathways of the auditory system, including the olivocochlear pathway.

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Otoacoustic Emissions

Cited by 8 publications

References 1 publication

Recovery of Otoacoustic Emission Function in Luetic Endolymphatic Hydrops: A Possible Measure of Improvement in Cochlear Function

Recovery of Otoacoustic Emission Function in Luetic Endolymphatic Hydrops: A Possible Measure of Improvement in Cochlear Function

A potential tuning role for the outer hair cells in children with language disorders

Prenatal Exposure to Tobacco and Alcohol Alters Development of the Neonatal Auditory System

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