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Aural Rehabilitation (SHS 496) > Speech Understanding > Flashcards

Speech Understanding Flashcards

1
Q

How smoothly conversation flows

A

conversational fluency

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2
Q

What tools are used to make predictions about speech understanding?

A

Pure-tone audiograms (speech banana or count-the dot audiograms)
WRS

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3
Q

What is WRS?

A

Word Recognition Score - an assessment tool that helps determine success with amplification and assists in counseling, training, etc.

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4
Q

Detection of overall speech and individual phonemes

A

Audibility

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5
Q

Discrimination and identification of phonemes and phoneme combinations

A

Intelligibility

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6
Q

Mild Hearing Loss

A

PTA=26-40 dB HL

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7
Q

Mild to Moderate Hearing Loss

A

PTA=41-55 dB HL

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8
Q

Moderate Hearing Loss

A

PTA=56-70 dB HL

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9
Q

Severe Hearing Loss

A

PTA=71-90 dB HL

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10
Q

Profound Hearing Loss

A

PTA=90 dB +

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11
Q

In quiet, speech recognition will be fairly unaffected. In noise, may decrease to 50% correct WRS.

A

Mild Hearing Loss

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12
Q

In quiet, face-to-face conversation and topic is known and vocabulary is constrained. If HA not used, may miss up to 50-75% of message

A

Mild to Moderate Hearing Loss

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13
Q

If patient does not use HA, may miss all or most of the message even if face-to-face. Great difficulty in noisy situations.

A

Moderate Hearing Loss

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14
Q

Patient may not hear voices unless speech is loud Without HA, patient will not recognize any speech in auditory only condition. With HA, may recognize some speech and detect environmental sounds.

A

Severe Hearing Loss

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15
Q

Patient may perceive sound as vibrations. Will rely on vision as the primary sense for speech recognition. May or may not be able to detect presence of even loud sounds without HA.

A

Profound Hearing Loss

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16
Q

The primary measurement when predicting the limitations caused by a hearing loss

A

Speech Recognition/Understanding (WRS)

17
Q

Factors that influence undestanding for Hearing Impaired Listeners (7)

A 
Hearing Loss Characteristics 
Etiology 
Age of Onset 
Age of Intervention 
Cochlear Processing 
Central Auditory Processing 
Other Factors
18
Q

Speech Recognition testing should ideally show how the person _____________ in ______________situations.

A

Performs; Natural

19
Q

3 types of Stimuli Presentation

A

Live Voice
Recorded Voice
Synthesized or Altered Speech

20
Q

Testing response format where no choices are provided

A

Open Set

21
Q

Testing response format where a fixed set of choices is provided

A

Closed Set

22
Q

4 Confounding Variables in Speech Recognition Testing

A

Cognitive Skills
Language Skills
Reading Skills
Speech Skills

23
Q

A test ________________ approach to speech recognition testing is most desirable.

A

Battery - it gives the best view of the individual’s speech recognition skills. Tests are conducted using different stimuli and conditions.

24
Q

What is the frequency perception of a normal ear?

A

20 Hz-20,000 Hz

25
Q

What frequency range is used in audiometry?

A

250 Hz-8000 Hz

26
Q

What is the frequency range for speech sounds?

A

100 Hz-8000 Hz

27
Q

What are the key frequencies for speech intelligibility?

A

1000 Hz- 2500 Hz

28
Q

What is the most KEY frequency for speech intelligibility?

A

2000 Hz

29
Q

What is the intensity range of a normal ear?

A

~0-140 dB SPL

30
Q

What is the typical overall loudness level of speech at a distance of 1 meter for:

  1. Soft conversational level
  2. Normal conversational level
  3. Loud conversational level
A
  1. 25-30 dB HL
  2. 40-50 dB HL
  3. 60-65 dB HL
31
Q

What is the range of intensity for soft to loud connected speech?

A

40 dB HL range

32
Q

SPL drops _____ dB with each ______________ of distance.

A

6; doubling

33
Q

The difference in decibels between an individual’s threshold of sensitivity for a sound and the level at which the sound becomes uncomfortably loud

A

Dynamic Range

34
Q

What three types of audiograms can we use to predict speech understanding?

A

Speech Spectrum Audiograms
Speech “banana” Audiograms
“Count the Dot” Audiograms

35
Q

On an audiogram, what is AI

A

Articulation Index

36
Q

A single-number expression of the proportion of the average speech signal that is audible to a given patient

A

AI (Articulation Index)

37
Q

How are the speech bands weighted when calculating an articulation index?

A

According to the theoretical contribution of that frequency band to speech intelligibility

38
Q

On a count the dot audiogram, what is the AI of an audiogram with 65 audible dots?

A

65% index

Aural Rehabilitation (SHS 496) (6 decks)

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