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that will be worked on quite
actively in the next 10
or 20 years.
It's not known right
now how the hair
cells are lost in meningitis.
So let's talk about, now, people
who have complete hearing loss
and are eligible for
the so-called cochlear
implants and other types of
implants that restore hearing.
So this is a nice
slide from, I think,
the paper that we're
reading for today.
And actually that reminds
me, besides that paper, which
is a very short
one, easy to read,
the textbook reading
that I've assigned
for today, which
is most of chapter
8 on auditory
prostheses is excellent.
It's really up to date.
It tells you a lot
about cochlear implants
and coding for speech,
which I probably
won't have time to get into.
But this is a really-- I mean
hearing aids past and present,
that's not so important.
But it has a lot
of good information
on cochlear implants, so
I'd encourage you definitely
to read that textbook
passage today.
And the research report
by Moore and Shannon
is a very simple,
easy to read paper.
It shows you the sites where
these various implants go.
So the cochlear
implant, obviously,
is installed into the
cochlea, right here.
For people who have lost their
hearing because of a problem
with their auditory nerve,
you put a cochlear implant in,
and it's not going to do any
good because the messages
aren't going to be conveyed
by the nerve into the brain.
And so what's an example
of someone like that?
Well, a disease process
called neurofibromatosis
type two, or NF2, is a disease
process where the subjects get