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Loudness decay (fwd)

Eric Smith erc at cinenet.net
Sun Dec 10 19:46:07 EST 1995


In article <9511088184.AA818461854 at medcom1.smtplink.amedd.army.mil>,
 <Susan_Ferrer-Vinent at smtplink.medcom.amedd.army.mil> wrote:
>Are you trying to determine etiology or appropriate management/rehab?


Both.  A cochlear implant is now scheduled.  It can be cancelled if
contraindications show up in the next few weeks.  Even any clues from
people on the internet, which lead to more research, can cause it to
be cancelled, if that research provides contraindications.


>Re:  etiology -  Is there a family Hx of hearing loss?
>There is a nonsyndromic genetic deafness known as "Dominant Progressive
>Hearing Loss" which could fit the general description of this loss, if
>there is any family Hx.


There is some.  But this particular hearing loss seems to be caused
the usual way, i.e., by loss of hair cell function in the cochlea,
but the loudness decay symptom seems to be caused by the auditory
nerve or the brain.  So, that doesn't seem to cover it, unless the
same genetic defect can somehow cause both of those.




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