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Cochlear Implants for Children with Auditory Neuropathy ...
https://www.audiologyonline.com/articles/cochlear-implants-for-children-with-11483
Just a word about the cochlear microphonic: it is a pre-neural response and shows a direct phase relationship to the acoustic wave form. It is important not to use alternating polarity as your only run, because it will cancel out the response. Rather, use both condensation and rarefaction runs.
Clinical Electrocochleography: Overview of Theories ...
https://www.audiologyonline.com/articles/clinical-electrocochleography-overview-theories-techniques-1275-1275
Subtracting R and C responses (bottom tracing), enhances the Cochlear Microphonic (CM) (from ASHA, 1988, pg. 9, based on data from Coats, 1981). As depicted in this figure, the constituents of an ECochGm may include the cochlear microphonic (CM), cochlear summating potential (SP), and AP measured independently or in various combinations.
Good Practices in Auditory Brainstem Response, Part 1 ...
https://www.audiologyonline.com/articles/good-practices-in-auditory-brainstem-827
The cochlear microphonic is a pre-neural electrical potential arising from the cochlea that mimics the stimulus waveform. When present, the cochlear microphonic suggests that the outer hair cells are intact. In this case, it makes sense that OAE's are also present since OAE's are also a measure of outer hair cell function.
Electrocochleography, MLR, P300 and ... - AudiologyOnline
https://www.audiologyonline.com/articles/electrocochleography-mlr-p300-and-cortical-815
The cochlear microphonic (CM) is the first component of the ECochG waveform. This is a stimulus-dependent cochlear response, which changes direction with changing polarity. Rarefaction and condensation stimuli will actually elicit response that are mirror images of each other, so if you use an alternating click, you will not see the CM.
Especially prominent cochlear microphonic activity in the ...
https://www.tandfonline.com/doi/abs/10.1080/14992020701297557
(2007). Especially prominent cochlear microphonic activity in the auditory brainstem response. International Journal of Audiology: Vol. 46, No. 7, pp. 362-373.
Cochlear Microphonic Testing - British Society of Audiology
https://www.thebsa.org.uk/resources/9487/
Cochlear Microphonic Testing. Status: Current Resource Type: Recommended Procedures Category: Recommended Procedures. Download Document. Share
Understanding Auditory Neuropathy: Diagnosis and …
https://www.infanthearing.org/meeting/ehdi2011/ehdi_2011_presentations/topical2/Patricia_Roush.pdf
Audiologic Findings Normal outer hair cell function as measured by present otoacoustic emissions (OAEs) or the presence of a cochlear microphonic (CM). OAEs may be present initially but disappear over time Abnormal auditory nerve response as observed by absent or markedly abnormal ABR Acoustic reflexes are absent in most cases
Cochlear microphonics from auditory brainstem responses of ...
https://open.library.ubc.ca/cIRcle/collections/ubctheses/24/items/1.0372052
Objectives: The cochlear microphonic (CM) is a bioelectric potential detectable through early latency auditory brainstem responses (ABR). It has been described as large in amplitude and long in duration in auditory neuropathy spectrum disorder (ANSD), a complex form of hearing loss.
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