ASLP 4045 Exam #2- Hearing Aids and HAT
2025|COMPLETE EXAM TEST (questions and
verified answers) FREQUENTLY MOST TESTED
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Terms in this set (86)
1. Decreased audibiility
What are the issues faced
2. Decreased dynamic range
by those individuals with
3. Decreased frequncy resolution
hearing loss?
4. Decreased temporal resolution
What does the term Decreased sensitivity to sounds , poor thresholds (
decreased audibility elevated), reduced audibility for speech sounds
mean?
Decreased number of dB levels between the softest
What does the term sound you can hear ( threshold of audibility ) and
decreased dynamic when sounds become painful ( level of discomfort)
range mean? decreased range of intensity levels that you can
hear
What does the term The clarity between frequencies is decreased,
decreased frequency decreased ability to tell one frequency apart from
resolution mean? another
Refers to timing, trouble detecting , sensing the
pauses between sounds and syllables within words,
What does the term between words in sentence, and voice onset time.
decreased temporal Poor temporal resolution leads to poor speech
resolution mean ? understanding because the person has trouble
distinguishing between parts of the sentences and
words.
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OHC damage causes a decreased sensitivity for soft
sounds, - can hear less of the speech sounds in
higher intensities ( dB level)
—-because the OHCs sharpen the peak of the
traveling wave for sounds <40 dB ( this means it
Damage to the outer hair won't vibrate the basilar membrane around that
cells causes what ? specific frequency ( sound) as much so that the
sound can be discerned better by IHC) , and this
boosts these sounds ( increases the gain for these
sounds) to allow the IHC to sense these softer
sounds ( increases the displacement on the basilar
membrane)
3 rows OHC and if they are damaged decreased
frequency resolution in the frequencies associated
How many rows or OHC
with the area around the Level/part of the BM that
and IHC and what
those hair cells served, would have trouble
happens if the OHC
discriminating speech sounds and frequencies in he
damaged ?
prescience of others, and reduced /decreased
audibility ( especially of soft sounds)-
Poor frequency Poor temporal resolution
resolution can lead to
what
Without the outer hair Moderate cochlear hearing loss - a 40 to 60 dB loss
cells what kind of hearing ( because the outer hair cells boost frequencies that
loss results are softer)
OHC increase gain for softer sounds and brain
sends signals to the cochlea to do this, the OHC act
Electromotillity of the
as a cochlear amplifier and they increase the
outer hair cells
displacement on the basilar membrane for softer
sounds
What are the high High frequency components - consonants ( weaker
frequency components or softer than vowels)
of speech vs. the low Low frequency components - vowels
frequency components High frequency information is the most commonly
of speech? missed
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As you stimulate the cochlea the basilar membrane
areas respond (vibrate ) based on the frequencies
that vibrates best in that particular area of the
tonotopic organization of
membrane. Base - high frequency
the cochlea
Apex- low frequency
Basilar membrane is an overlapping series of band
pass filters
Speech is audible , but not intelligible because the
What happens when high
consonants. ( high frequency components help to
frequency information is
make speech meaningful) , decreased intelligibility
missed what results?
of words
For 90 percent of adults 500- 4K HZ
and 75 percent of
children with hearing loss
, degree of impairment
worsens in which
frequency range
Attenuation, Decreased volume of soft sounds,
OHC loss results in
decreased audibility/sensitivity
IHC damage results in Distortion , loss of clarity , distorts signal completely
Combination of OHC and Distortion, loss of sensitivity and clarity
IHC loss
Difference between the . dynamic range
level of discomfort and
the threshold of audibility
Is it appropriate to No because if someone has a reduced dynamic
amplify all sounds by the range there might be an abnormal growth in
amount needed to make loudness , and ppl's threshold of discomfort
soft around audible? typically does not change much.
Does sensorineural SNHL increases threshold more than it increases
hearing loss increase loudness discomfort meaning this level of
threshold or loudness discomfort will most likely remain the same.
discomfort more?
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