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Assistive Technology > Cochlear Implants > Flashcards

Cochlear Implants Flashcards

1
Q

cochlear implants

A

moderate to profound sensorineural HL

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2
Q

what part of the ear does a cochlear implant stimulate

A

cochlea/auditory nerve

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3
Q

are cochlear implants acoustic or electrical stimulation?

A

electrical stimulation

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4
Q

what do cochlear implants do

A

bypasses hearing by electrical stimulating the auditory nerve

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5
Q

external components

A

transmitter coil/cable
microphone/receiver
processor
power supply

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6
Q

transmitter coil/cable

A

picks up acoustic sound and transmits into electric and send down to electrode array

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7
Q

processor

A

picks up acoustic sound
implements speech processing strategies

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8
Q

power supply

A

rechargeable

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9
Q

internal components

A

internal receiver/implant (goes in the cochlea)
electrode array

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10
Q

Cochlear implant candidacy

A

9 mos or older
single sided deafness
w/ EAS mild sloping to severe
60 dB 60% WR

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11
Q

off label candidacy

A

go against FDA recommendations

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12
Q

candidacy ranges

A

profound 0-18 mos
severe 2-18 yrs
moderate to severe 18 yrs and older

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13
Q

electroacoustic implant - hybrid

A

part hearing aid and part cochlear implant in the same ear

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14
Q

post operative procedure

A

surgery
recovery
implant stimulation
device setting
rehabilitation
long term follow up
monitor device training

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15
Q

who is a good candidate

A

use of HA prior
speech therapy
learned spoken language

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16
Q

who is a bad candidate

A

no prior amplification
no VIII nerve
born deaf
never learned spoken language
ossification

17
Q

hearing aids

A

acoustic signal
amplifies sound through outer and middle ear
hair cell responsiveness

18
Q

benefits of CI

A

improve speech perception, understanding and production
listening in noise
perception of environmental noise

19
Q

limitations of CI

A

have to avoid electrostatic and electromagnetic fields

20
Q

does deaf culture agree with CI

A

no

21
Q

OG NAD position

A

parents should not be allowed to implant their child without their permission b/c it denies them the right to deaf culture
ASL 1st lang

22
Q

2000 NAD position

A

parents have the right to decide for children
CI is not a cure for deafness

23
Q

Bimodal hearing

A

use of two diff devices in each ear
HA (acoustic) and cochlear implant (electric)

24
Q

Bimodal hearing is recommended for who?

A

children whose parents chose listening and spoken language for them

25
Q

cochlear implant centers

A

children hospital of PA
NY eye and ear
NYU

Assistive Technology (7 decks)

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