1. N°
6
Profesor:
Rosa Gonzáles Llontop
Students:
Campos Milian Leidy
Chavesta Manrique Xinthia
Huamán Cueva Zoila
Racchumí Nima Anita
Ramírez Armas Karina
Velásquez Espinal José
2. N T
M PLA
RI
H LEA
OC
C
6
«Study Identifies a
Window of Opportunity
for Cochlear Implants in
Deaf Children»
3. Short introduction
What is a cochlear implant?
What a cochlear implant does?
Cochlear implant surgery
Can a cochlear implant
resstore hearing for everyone?
Learning to use a cochlear implant
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Cochlear implants
Cochlear implants
Offers the hope of regaining
or restoring the ability to
sense sound for some people
who have experienced
significant hearing loss.
9. The cochlea
The cochlea is a snail-shaped,
curled tube located in the area
of the ear where nerves are
contained.
Its function is to gather electrical
signals from sound vibrations and
transmit them to your auditory
nerve (or hearing nerve).
10. The hearing nerve
.
The hearing nerve then
sends these signals to the
brain, where they're
translated into recognizable
sounds.
11. If important parts of the cochlea
aren't working properly and the
hearing nerve isn't being stimulated,
there's no way for the electrical
signals to get to the brain.
Therefore, hearing doesn't
occur.
12. The cochlear implant artificially stimulates
the inner ear area with electrical signals,
sends those signals to the hearing nerve,
and allows the user to hear.
13. The actual cochlear implant consists of
an implant package, which is secured
inside the skull, and a sound and
speech processor, which is worn
externally (outside the body).
Several components of the cochlear
implant work together to receive sound,
transfer it to the hearing nerve, and send
it to the brain.
14. The implant package is made up of
•A receiver-stimulator that contains all of
the electronic circuits that control the
flow of electrical pulses into the ear.
•An antenna that receives the signals
from the external sound and speech
processor
•A magnet that holds the external sound
and speech processor in place
•One wire containing electrodes that are
inserted into the cochlea.
15. The sound and speech processor is a
minicomputer that processes sound into
digital information, and then sends that
information to the implant package in the
form of electrical signals.
16. The components of the sound and speech
processor include:
•The actual sound and speech processing
device
•A microphone.
•A transmitter that sends the signals to the
implant package.
20. 5
Can a cochlear implant
resstore hearing for everyone?
21.
22. The sound and
The sound and
speech processor
speech processor
microphone
microphone analyzes the
analyzes the The transmitter
The transmitter
picks up
picks up sound and
sound and sends the signal
sends the signal
sound
sound converts it into an
converts it into an to the implant
to the implant
electrical signal.
electrical signal. package, where
package, where
it's decoded. .
it's decoded
The brain
The brain
The nerve endings in
The nerve endings in
interprets the
interprets the
the cochlea are
the cochlea are
sound and the
sound and the stimulated
stimulated
person hears.
person hears.
23. Cochlear Implant
Surgery
The surgical
procedure, which
takes 2-4 hours
and uses general
anesthesia
24. Will probably be able to go home
Will probably be able to go home Will have to wear aadressing over
Will have to wear dressing over
the next day
the next day the implant area for 24 hours
the implant area for 24 hours
May be off-balance or dizzy for aafew days
May be off-balance or dizzy for few days May experience mild to
May experience mild to
moderate pain
moderate pain
27. 1
The specialist must fine-tune the
sound and speech processor for
every patient.
28. 2
The user begins to pick up sounds
with the implant, but giving the
implant full power is a gradual
process that takes several months.
29. 3
During the programming process, the user
attends speech and language therapy
sessions to help identify and interpret the
new sounds he or she is hearing.
30. 4
The therapy includes parent
education and training.
31. Therapy will help a child develop and
understand spoken language
through detecting, imitating, and
associating meanings of sounds.
32. In many cases, therapy has helped
kids with cochlear implants develop
speech and language on par with
their peers and attend mainstream
schools.
33. Some families choose to
have implants in both
ears.
This can help with speech
detection when there is
background noise and in
localizing the source of
sounds.
