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which is a huge problem
in cochlear implants.
A cochlear implant user doesn't
have the sharply tuned filter
of the normal
auditory nerve tuning
curve that normal
hearing people do.
What about listening to music?
Do you listen to music?
SHEILA: Yeah.
Like last month, I went
to hear Yo-Yo Ma play.
Like when-- I can hear
music, but I'm not sure.
I think I hear music
differently from you guys
because there's a whole
range of frequencies,
like you said, but yeah
I can listen to music.
AUDIENCE: How often do you
go to the doctor for updates?
SHEILA: How often do I go to--
AUDIENCE: You're doctor.
SHEILA: Oh, you
mean audiologist.
I see audiologist like
maybe once every year just
for a checkup and remapping.
PROFESSOR: So do
you get a remapping
or do they just bill
your insurance company?
SHEILA: Yeah.
PROFESSOR: Yes.
SHEILA: It's expensive.
PROFESSOR: But do
they-- do you know
if they change the mapping
for your electrodes?
SHEILA: Yeah, they change
it, but they told me
it's not really
a lot of changes.
So I think the older
you get, the less change
is made than when
you were younger.
PROFESSOR: Perhaps, yeah.
So that's interesting.
So how do they do that mapping?
Do they say here's electrode
1, and then here's electrode 2.
Which is higher?
Do they do that?
SHEILA: Yeah, so I had to go
into a special sound booth.
So it's like a cell that
is completely soundproof.
And they will test me
on a bunch of sounds