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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)

23
Q
A
24
Q

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

A

Speech Recognition Threshold

Define

25
Q

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.

A

Speech Recognition Threshold (SRT)

Purpose

26
Q
  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
A

Speech Recognition Threshold Procedure

ASHA method

27
Q

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

Good for minimal language skills.

A

Speech Dection Threshold (SDT)

Define

28
Q

To evaluate speech understanding at suprathreshold levels

measures ability to correctly identify PB words

A

Word Recognition Testing

29
Q

Reduction in speech scores at intensities above the level of PBmax

ROLLOVER INDEX

(PBmax - PBmin)/PBmax

A

Rollover of the PI function

30
Q

The range in dB from the SRT and UCL

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

A

Dynamic Range

31
Q

Quantifying the ability to understand everyday communication.

A

Speech Audiometry

32
Q

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

A

Hearing Loss on WRS

Conductive Hearing Loss

33
Q

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

A

Hearing Loss on WRS

Cochlear Hearing Loss

34
Q

Often shows Rollover

A

Hearing Loss on WRS

Retrocochlear

35
Q

Poor performance at high presentation levels

A

Rollover

36
Q

SRT to UCL

A

Dynamic Range

37
Q

Hypersensitivity to moderately loud sounds. Reduced DR

A

Hyperacusis

38
Q

Time Compressed Speech

SPIN (Speech Perception In Noise)

SSI (Synthetic Sentence Identification)

SSW (Staggered Spondaic Words)

A

Central Auditory Tests

SPRING 13 Disorders of Hearing (6 decks)

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