Audiology > Speech Audiometry/Speech Testing > Flashcards

Speech Audiometry/Speech Testing Flashcards

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1
Q

What is speech testing used for?

A
  • measuring communication skills
  • site of lesion diagnosis
  • reliability check
  • compromised patients
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2
Q

Ways to measure communication skills:

A
  • quiet vs noise

- S/N ratios

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3
Q

How this applies to site of lesion diagnosis:

A

-speech recognition score

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4
Q

How do you know if something is reliable?

A

-it is consistent and accurate

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5
Q

Who would be classified as a compromised patient?

A
  • young children
  • developmental disabilities
  • dementia
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6
Q

Audibility is not equal to ______________

A

intelligibility

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7
Q

SDT

A

-Speech detection threshold

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8
Q

SAT

A

Speech awareness threshold

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9
Q

SRT

A

-Speech recognition threshold
-speech reception threshold
-50% accurate word recognition using spondee words
SRT should = PTA +/- 10 dBHL
-can be influenced by configuration of hearing loss
-used to determine dBSL for discrimination testing

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10
Q

Speech Awareness Threshold …

A
  • Any speech material (ba ba ba, name, counting, reading)
  • use only in patients that cannot give SRT
  • SAT tends to be 10 dB below SRT
  • ascending/descending technique
  • spondee words
  • transducer/signal/routing
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11
Q

Common transducers:

A
  • inserts
  • earphones
  • speaker
  • bone conductor
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12
Q

Types of signals:

A
  • Live voice

- Recorded materials

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13
Q

Types of routing:

A
  • left ear
  • right ear
  • both
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14
Q

Live voice presentation …

A
  • VU meter
  • 0 on meter= exactly correct dB presentation
  • stay within +/- 3 dBHL for presentation
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15
Q

Pros of live voice presentation:

A
  • can control the rate of presentation
  • local/native speech patterns
  • can use non-standard materials
  • can repeat items even though its not standardized procedure
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16
Q

Cons of live voice presentation:

A
  • hard to keep voice at a steady +/- 3 dBHL
  • tendency to over articulate
  • accent/articulation issues
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17
Q

Recorded materials presentation:

A
  • use calibration tone to set VU meter

- dial set to 0

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18
Q

Pros of recorded materials:

A
  • presentation level is steady
  • more standard
  • no over articulation
  • smooth rate
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19
Q

Cons of recorded materials:

A
  • Presentation pace often too fast/slow
  • some materials may not be available
  • cannot repeat usually
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20
Q

Intelligibility Testing…

A
  • WRS/WDS
  • Presented SL
  • Monosyllabic words with a carrier phrase
  • open and closed sets
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21
Q

WRS

A

word recognition score

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22
Q

WDS

A

Word discrimination score

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23
Q

SRT _______ dBHL

A

+35

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24
Q

Open set:

A
  • phonetically balanced word lists
  • phonemes proportionate to typical English language
  • Normed on kindergarten children
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25
Closed set:
-Used for patients who cannot read words
26
Open set lists are mostly consisted of _____and_______. The CID W-22 is ____________________
nouns and verbs phonetically balanced -for adults and older children
27
NU6 is made up of ...
a consonant, nucleus, consonant | harder vocab
28
Performance Intensity level:
- useful in diagnosing retrocochlear dysfunction (VIII nerve) - Time consuming but faster than a ABR/MRI - identify point of roll over
29
For performance intensity level, % correct will ______ and _________ normal listeners and sensorineural (cochlear) hearing loss.
peak and maintain
30
Or, % correct will ____ and ______ with higher intensities for retrocochlear disease.
peak and then decrease
31
What is the point of "roll over"?
- PB max -(PB min / PB max) | 0. 25-0.45=-0.2 significant difference
32
Categories of performance:
- pg 137 - often used in reports - relevance depends on testing materials - Booth effect
33
What is the Booth effect?
-when you place a patient in a sound treated room with no distractions they will be focused on testing
34
Presentation Levels: | Sensation Level
- typical 35-40 dB above SRT - provides discrimination accuracy at sufficient volume above threshold - may be inadequate depending on hearing loss configuration
35
Presentation levels: | Conversational Level
- helpful in looking at real world communication skills | - May help person see need for hearing aids
36
Masking noise choices:
- speech babble - multi-talker babble - speech weighted noise (spectrum) - running discourse - white noise
37
Masking formulas
- SRT te - IA greater than or equal to nte - If no BC data, assume 0 dBHL - If no SL is greater or equal to 40 dBHL, mask
38
Dynamic Range | MCL
- most comfortable listening level - patients subjective opinion - can be done with pure tones - primarily used for speech testing
39
Dynamic Range | LDL (UCL)
- Patients subjective opinion of uncomfortable level | - pure tones, but primarily speech
40
Dynamic Range | SRT LDL
- Dynamic range of hearing (threshold to discomfort) | - Reduced dynamic range in problematic
41
Recruitment
-Unusual growth in loudness perception -Perception changes quickly with limited increase in dB MCL may be only slightly above the SRT Low % scores due to insufficient gain -Creates a small dynamic range Tend to do poorly with hearing aids May not tolerate increased input levels
42
Testing in Noise Routing and signal
- ipsilateral or contralateral | - speech weighted noise, multi-talker babble
43
Quantitative info:
-% correct at varying levels
44
Qualitative info:
- slower response rate - hesitation - guessing - request repetition
45
Additional Speech Tests (open sets):
- HINT hearing in noise test - CID everyday sentences - Utley Test of lip reading - SPIN speech perception in noise
46
HINT test
- Hearing in noise test - presented in quiet and in noise - ascending and descending technique - evaluates aided and unaided
47
CID
- everyday sentences - 10 sentences presented - 50 key words within sentences - % correct of key words=%correct score
48
Utley Lip reading test:
can use auditory only for speech recognition
49
SPIN
- speech perception in noise - assesses key word (last word in the sentence) - High predictability vs low predictability lists
50
Additional speech tests (closed set):
- Synthetic sentence identification - WIPI Word identification by picture identification - Nu chips - CCT California consonant test
51
Synthetic sentence identification:
- 10 nonsense sentences - Present competing noise using connected discourse - pick correct sentence form list - must be able to read
52
WIPI
- word identification by picture identification - 6 color pictures on a page - words sound similar - normed on 4-5 year olds
53
Nu Chips
- normed on 3-4 year olds - 4 pictures per page - black and white
54
CCT
- California consonant test - 100 test items - pick from four choices - highly sensitive to high frequency losses - ID's consonant confusions
55
Additional Speech Testing (not normed):
- Ling Six sound test - Body parts - Same/different - SERT sound effects recognition test
56
Ling Six sound test:
- each sound is representative of a frequency range - help determine threshold levels - check aided function - reception/perception
57
Body Parts test:
- labeling/pointing to body parts - can give estimates of speech perception - Ear/hair nose/toes teeth/knee
58
Same/Different Test
- different levels - monosyllabic vs bisyllabic - spondee words - monosyllabic with diverse vowels - monosyllabic with diverse consonants
59
SERT
- sound effects recognition test - technically not a speech test - can give info about frequency perception and pattern perception - taped sounds, pick from pictures
60
Downside to non-standardized materials...
can be misleading to parents, patients and therapists
61
Fewer test items =
more variability in results
62
Single word tests are designed for 50 words however most audiologists use____ because _____________.
25 | It increases the variability between tests
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