ArticleThe Journal of the Acoustical Society of America2023
Middle ear muscle and medial olivocochlear activity inferred from individual human ears via cochlear potentials.
Article in The Journal of the Acoustical Society of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed, 11 citations in OpenAlex.
- High-Resolution EEG Amplifiers Are Feasible for Electrocochleography Without Time Restriction.Audiology research · 2025Article
- Human Olivocochlear Effects: A Statistical Detection Approach Applied to the Cochlear Microphonic Evoked by Swept Tones.Journal of the Association for Research in Otolaryngology : JARO · 2024Article
- Effects of contralateral noise on envelope-following responses, auditory-nerve compound action potentials, and otoacoustic emissions measured simultaneously.The Journal of the Acoustical Society of America · 2024Article
- Subcortical auditory model including efferent dynamic gain control with inputs from cochlear nucleus and inferior colliculus.The Journal of the Acoustical Society of America · 2023Article
- Speech Perception in Noise and Medial Olivocochlear Reflex: Effects of Age, Speech Stimulus, and Response-Related Variables.Journal of the Association for Research in Otolaryngology : JARO · 2023Article
- Auditory brainstem mechanisms likely compensate for self-imposed peripheral inhibition.Scientific reports · 2023Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
The peripheral auditory system is influenced by the medial olivocochlear (MOC) and middle ear muscle (MEM) reflexes. When elicited by contralateral acoustic stimulation (CAS), these reflexes reduce cochlear amplification (MOC reflex) and limit low-frequency transmission through the middle ear (MEM reflex). The independent roles of these reflexes on auditory physiology and perception are difficult to distinguish. The amplitude of the cochlear microphonic (CM) is expected to increase or decrease when the MOC and MEM reflexes are elicited by CAS, respectively, which could lead to a straightforward interpretation of what reflex is dominant for a given CAS level. CM and ear canal sound pressure level (SPL) were measured for a 500 Hz, 90 dB SPL probe in the presence of contralateral broadband noise (CBBN) for levels ranging from 45-75 dB SPL. In most subjects, CM amplitude increased for CBBN levels of 45 and 55 dB SPL, while no change in ear canal SPL was observed, consistent with eliciting the MOC reflex. Conversely, CM amplitude decreased, and ear canal SPL increased in the presence of 65 and 75 dB SPL CBBN, consistent with eliciting the MEM reflex. A CM-based test of the MOC reflex may facilitate detection of MEM effects and the assessment of adults with cochlear hearing loss.
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Registered trials
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