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SPRING 13 Disorders of Hearing > Exam 3 > Flashcards

Exam 3 Flashcards

1
Q

Speech Recognition Threshold

Define

A

Lowest level that speech can be recognized or identified 50% of the time

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2
Q

Speech Recognition Threshold (SRT)

Purpose

A

Cross check puretone thresholds to compare SRT & PTA average ( 500 Hz, 1K Hz, 2K Hz)

provides basis for selecting presentation level for speech recognition test.

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3
Q

Speech Recognition Threshold Procedure

ASHA method

A
  1. Begin above threshods ( ~20-25 above PTA)
  2. If correct, DESCEND 5 dB until 2 consecutive words are missed
  3. Increase 10 dB = starting level
  4. At Starting Level present 5 words
  5. Decrease in 5 dB steps & score 5 words each level
  6. Repeat until all 5 are missed = Stopping Level
  7. Subtract # from starting level
  8. add 2 dB correction factor
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4
Q

Speech Dection Threshold (SDT)

Define

A

Used when SRT can not be established. Lowest level speech can be detected,not understood.

Good for minimal language skills.

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5
Q

Word Recognition Testing

A

To evaluate speech understanding at suprathreshold levels

measures ability to correctly identify PB words

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6
Q

Rollover of the PI function

A

Reduction in speech scores at intensities above the level of PBmax

ROLLOVER INDEX

(PBmax - PBmin)/PBmax

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7
Q

Dynamic Range

A

The range in dB from the SRT and UCL

reduced dynamic range also associated with hyperacusis (hyper sensitivity to moderately loud sounds)

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8
Q

Speech Audiometry

A

Quantifying the ability to understand everyday communication.

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9
Q
A
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10
Q

SRT Test stimuli

A

Spondaic Words

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11
Q

WRS Test Stimuli

A

Phonetically Balanced monosyllables

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12
Q

WRS Procedure

A

Present at 40 dB SL

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13
Q

WRS Interpretation

A
  • speech recognition ability
  • PI-PB Function
  • Rollover
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14
Q

Hearing Loss on WRS

Conductive Hearing Loss

A

Once presentation level is above conductive component, performance comparable to normal

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15
Q

Hearing Loss on WRS

Cochlear Hearing Loss

A

Usually not as good as conductive. Depends on degree of configuration

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16
Q

Hearing Loss on WRS

Retrocochlear

A

Often shows Rollover

17
Q

Rollover

A

Poor performance at high presentation levels

18
Q

MCL

A

Most Comfortable Loudness

19
Q

UCL

A

Uncomfortable Loudness

20
Q

Dynamic Range

A

SRT to UCL

21
Q

Hyperacusis

A

Hypersensitivity to moderately loud sounds. Reduced DR

22
Q

Central Auditory Tests

A

Time Compressed Speech

SPIN (Speech Perception In Noise)

SSI (Synthetic Sentence Identification)

SSW (Staggered Spondaic Words)

24
Q

Lowest level that speech can be recognized or identified 50% of the time

A

Speech Recognition Threshold

Define

25
Cross check puretone thresholds to compare SRT & PTA average ( 500 Hz, 1K Hz, 2K Hz) provides basis for selecting presentation level for speech recognition test.
Speech Recognition Threshold (SRT) Purpose
26
1. Begin above threshods ( ~20-25 above PTA) 2. If correct, **DESCEND** 5 dB until 2 consecutive words are missed 3. Increase 10 dB = **starting level** 4. At **Starting Level** present 5 words 5. Decrease in 5 dB steps & score 5 words each level 6. Repeat until all 5 are missed = **Stopping Level** 7. Subtract # from starting level 8. add 2 dB correction factor
Speech Recognition Threshold Procedure ASHA method
27
Used when SRT can not be established. Lowest level speech can be detected,not understood. Good for minimal language skills.
Speech Dection Threshold (SDT) Define
28
To evaluate speech understanding at **suprathreshold** levels measures ability to correctly identify PB words
Word Recognition Testing
29
Reduction in speech scores at intensities above the level of PBmax  ROLLOVER INDEX (PBmax - PBmin)/PBmax
Rollover of the PI function
30
The range in dB from the SRT and UCL reduced dynamic range also associated with **hyperacusis** (hyper sensitivity to moderately loud sounds)
Dynamic Range
31
Quantifying the ability to understand everyday communication.
Speech Audiometry
32
Once presentation level is above conductive component, performance comparable to normal
Hearing Loss on WRS Conductive Hearing Loss
33
Usually not as good as conductive. Depends on degree of configuration
Hearing Loss on WRS Cochlear Hearing Loss
34
Often shows **Rollover**
Hearing Loss on WRS Retrocochlear
35
Poor performance at high presentation levels
Rollover
36
SRT to UCL
Dynamic Range
37
Hypersensitivity to moderately loud sounds. Reduced DR
Hyperacusis
38
Time Compressed Speech SPIN (Speech Perception In Noise) SSI (Synthetic Sentence Identification) SSW (Staggered Spondaic Words)
Central Auditory Tests

SPRING 13 Disorders of Hearing (6 decks)

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