True or False
Hearing Aids vs. CIs
All About CIs
All About HAs
All About HAs
100
If an individual has a mild to severe loss, hearing aids provide adequate access to speech at conversational intensity levels.
What is true?
100
Match the signal output with either hearing aid or cochlear implant.
Electric signal is the output
Amplification of an acoustic signal
Electric signal is the output - cochlear implant
Amplification of an acoustic signal - hearing aid
100
A hearing aid most be worn for at least ______ months with little benefit before the implantation of the CI.
3-6 months
100
Match the parts with the function:
A) Microphone
B) Amplifier
C) Receiver
D) Batteries
E) Volume Control
1. changes the electric amplified energy back into acoustic energy
2. automatically changes depending on environment, watches, remote controls
3. multiple sizes
4. changes acoustic energy into electric energy. Can usually see a portion from outside of HA
5. amplifies sound
C - 1
E - 2
D - 3
A - 4
B - 5
100
Which hearing aid style does not require an earmold impression?
They all require an earmold impression.
200
Audiologists assess individuals with cochlear implants to see how many channels it takes for a person to perceive speech. There is no difference in children who have 10 channels vs. someone who has 32.
What is true?
200
Describe the path of the signal for a hearing aid and cochlear implant.
Hearing aid: goes through the outer, middle, and inner ear. For individuals with SNHL, the hair cells are damaged or missing. The HA amplifies residual hearing by increasing the loudness.
CI: By passes the outer, middle, and inner ear and the damaged hair cells and stimulates the auditory nerve directly.
200
Why do we want to avoid static electricity when wearing cochlear implants?
Static electricity can damage bothinternal and external portions (best case scenario need to remap and worse case scenario need to re-implant)
200
This category of hearing aids allows for a more precise fit for hearing losses, provides better feedback management, less background noise, and lets a user program different listening programs.
What is digital?
200
Who is a candidate for bone conduction hearing aids?
An individual with a conductive hearing loss, who does not have a pinna, or who has an intact inner ear system but has difficulty in the middle or outer ear which is blocking the sound.
300
Cochlear implants provide individuals with a moderate bilateral hearing loss access to conversational speech.
What is false? Profound
300
Name the internal parts of a cochlear implant.
The internal parts consist of a:
1.Receiver/stimulator unit. The unit is positioned just under the skin in a surgically hollowed-out portion of the temporal bone.
2.Electrode lead cables wine through a channel drilled into the temporal bone to the middle ear.
3.Group of electrodes at the end of the lead cable called an array. The array is inserted into the cochlea.
4.Electrodes are multichannel which stimulate high and low frequencies
300
What do you call the implant that preserves existing hearing sensitivity and stimulates the higher frequencies?
A hybrid CI
300
When one switches the hearing aid to this mode, it turns off the regular microphone and picks up electromagnetic information in the environment.
What is telecoil?
300
Using the audiogram below, how much gain is this hearing aid providing at 4000 Hz in the left ear?
50 dBHL gain.
400
TRUE OR FALSE. The following statement describes how a CI works:
The speech processor detects and converts signal, the FM radio transmitter receives the signal via cables where it is manipulated according to a speech processing strategies, and then the signal leaves the speech processor and is passed to the microphone where the signal is changed.
What is false? The microphone detects and converts signal, the speech processor receives the signal via cables where it is manipulated according to a speech processing strategies, and then the signal leaves the speech processor and is passed to the FM radio transmitter, from there the signal is passed to the internal receiver where the signal is changed to an electrical signal and the sent down the electrode array to the auditory nerve
400
Who is a candidate for CI? Describe 3 different age groups.
12 months: Profound bilateral HL in both ears (>90 dB HL), Little or no benefit from Hearing Aid (loosely defined)
2 years – 17 years: Severe to profound bilateral SN HL, Little or no benefit from HA
Adults: Severe to profound SN HL (PTA ≥ 70 dB in both ears), Limited benefit from HA (Sentence score ≥ 50% in the ear implanted), Healthy adult over 18 years (Post-lingual onset of deafness (after age 6 years), After 6 years, the plasticity of auditory system is not as good. There is no upper age limit
400
Name one red flag that you may encounter that would tell you to refer a child to see an audiologist.
•Changes in sound awareness (not attentive or responsive to sound; distance hearing)
•Changes in vocalizations, voice quality, vocal intensity, articulation. Prolongation of vowels, slushy speech, adding syllables or omitting syllables)
•Shorter attention span
•Changes in processor settings. If you notice that you need to change the processor to 2 instead of 1 etc.
•Eye twitches (near the facial nerve)
400
Name one red flag that indicates that a hearing aid is possibly not working?
Not paying attention
Keeps asking “huh?” or “what?”
Decreased progress in therapy
Changes in behavior noted
Does not want to wear hearing aid
400
What are the 6 sounds tested in the Ling 6 test?
/m, oo, ah, ee, sh, s/
500
A cochlear implant is a surgically implanted device that rejuvenates damaged hair cells and electrically stimulates the auditory nerve.
What is false? It bypasses the damaged hair cells.
500
Hearing aids can stimulate approximately which range of frequencies?
A. 250-4,000 Hz
B. 500-6,000 Hz
C. 250-3,000 Hz
D. 500-8,000 Hz
What is A? 250-4000 Hz
500
Without consistent use of a CI, a child will not develop auditory skills at a consistent rate of development. That is why we, as SLPs need to make sure that they are being taken care of. Name one thing that you should inspect on a CI to ensure that everything is in working order? (THIS IS ONE OF MANY)
•Examine speech processor, cables, and transmitter coil for signs of damage(worn cables, etc.).
•Examine the microphone port for foreign objects.
•Examine settings to make certain the proper map, sensitivity and voumelevels are selected (from audiologist’s report. They will tell you what dials should go where).
•When the implant is turned on the Light Emitting Diodes (LED) should indicate the batteries are charged. Flashing LEDs and audible alarms may indicate problems with the speech processor or transmitter.
•A wand can be passed over the transmitter coil to verify that radio waves are being broadcast into the internal receiver. You can ask manufacturers for user manuals.
•Keep spare batteries and cables on hand.
500
Match the hearing aid style to its description.
A. Behind the ear
B. In the ear
C. In the canal
D. Completely in the canal
1. fills half of the concha bowl
2. has an ear mold that attaches the hearing aid to the ear, the hearing aid is behind the pinna
3. situated in the ear canal, show the fishing wire to remove the hearing aid
4. fills up the entire concha
Match the hearing aid style to its description.
A. Behind the ear AND 2. has an ear mold that attaches the hearing aid to the ear, the hearing aid is behind the pinna
B. In the ear AND 4. fills up the entire concha
C. In the canal AND 1. fills half of the concha bowl
D. Completely in the canal AND 3. situated in the ear canal, show the fishing wire to remove the hearing aid
500
You are about to work with a child with HAs. What are you to do before therapy begins with the hearing aid?
1. Perform listening check
2. Make sure hearing aid is in the right program
3. Make sure volume control is turned on correctly
4. Make sure hearing aid/earmoldis in the ear correctly