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From: lstowell@pyrnova.pyramid.com (Lon Stowell)
Newsgroups: sci.bio
Subject: Re: The internal buzz
Keywords: bats
Message-ID: <144756@pyramid.pyramid.com>
Date: 13 Feb 91 18:54:50 GMT
Sender: daemon@pyramid.pyramid.com
Reply-To: lstowell@pyrnova.pyramid.com (Lon Stowell)
Organization: Pyramid Technology Corp., Mountain View, CA
Lines: 11

In article <schumach.666405928@convex.convex.com> schumach@convex.com (Richard A. Schumacher) writes:
>Some possibilities:
> 1) damage to auditory nerves caused by exposure to
>loud sounds or simple aging. 
> 2) A version of a weird and amusing phenomenon reported in Science News
> sometime in 1989 [I haven't found it yet] in which some guinea pigs ears
> were found to generate high-pitched tones, occasionally
>loud enough to be heard several feet away. The mechanism was unknown.


   Can you say "tinnitus"?