I’ve spent some time looking this up, and have been meaning to start writing to anyone who researches midfrequency loss. As far as I have found, the actual research says it can be hereditary, idiopathic, or from vestibular schwannomas. What I also found, though, was info on the mutation of the TECTA gene, DFNA 8/12, which talked about issues with proteins and amino acids.
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I don’t really understand any of this, (and if there are any scientists reading this please explain!) but it seems to me that this doesn’t necessarily mean that the hair cells are “dead,” like I’ve always been told.
I looked up the link you posted and found it exceedingly difficult to understand…I have wondered the same thing; that maybe the cookie bite hearing loss is not related to the hair cells, but perhaps within the auditory mechanism in the brain…Unfortunately, this link is too difficult to understand if that is what is being said…
It’s a shame that important research, like this, is not well-communicated to the larger community…