Exam 1 Part 7 Flashcards Preview

CSD 404 (Audiologic Rehabilitation) > Exam 1 Part 7 > Flashcards

Flashcards in Exam 1 Part 7 Deck (20)
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1
Q

What are the 3 types of listening devices?

A

Hearing aids, assistive listening devices, cochlear implants

2
Q

When would someone get a cochlear implant?

A

If hearing aid device does not benefit them

3
Q

Device that bypasses the hair cells in the cochlea, stimulates auditory nerve directly, nerve impulses go through the neural auditory pathway

A

Cochlear implant

4
Q

What nerve does the cochlear implant stimulate directly?

A

Auditory nerve

5
Q

What part of the ear does the hearing aid rely on?

A

Cochlea

6
Q

Frequency bands in the cochlear implant are ______ organized

A

Tonotopically

7
Q

High frequencies are detected at what part of the cochlea?

A

Base

8
Q

Low frequencies are detected at what part of the cochlea?

A

Apex

9
Q

Part of the cochlear implant that converts incoming sound to electrical signal

A

Microphone

10
Q

Part of the cochlear implant that transmits signal from the microphone to the speech processor

A

Cable or cord

11
Q

Part of the cochlear implant that processes and codes signal

A

Speech processor/external sound processor

12
Q

Part of the cochlear implant that sends processed signal to the internal receiver

A

Transmitter or coil

13
Q

Part of the cochlear implant that stimulates the auditory nerve fiber

A

Electrode array

14
Q

Part of the cochlear implant that receives the signal via radio frequency transmission or electromagnetic induction; transmits signal to electrode array

A

Internal receiver

15
Q

Part of the cochlear implant that inserts into the cochlea

A

Electrode array

16
Q

What are the ALD benefits in cochlear implants?

A

Direct audio input, bluetooth, t-coil

17
Q

Combines cochlear implant system with hearing aid technology

A

Hybrid hearing

18
Q

What are the candidacy requirements for children age 12 to 24 months?

A

Bilateral profound sensorineural hearing loss, minimum use of hearing aid for 6 months, demonstrate little to no benefit using HA, lack of auditory skill development, enrolled in AR program

19
Q

What are the candidacy requirements for children age 2 years to 17 years 11 months?

A

Bilateral severe to profound sensorineural hearing loss, minimal to no benefit using HA, minimum use of hearing aid for 6 months, lack of auditory skill development, MLNT/LNT is less than 30% with in best aided condition

20
Q

What are the candidacy requirements for adults?

A

Bilateral moderate to profound sensorineural hearing loss, minimal to no benefit using HA, sentence recognition is less than 50%, sentence recognition is less than 60% in opposite ear