Amplification - Fitting/Verificaiton

Question 1

What is the goal of the HA selection process according to ASHA?

Answer 1

Determine the characteristics of an appropriate HA for the individals

Question 2

A ____-_______ approach should be used to select a hearing aid, and what 3 things need to be chose?

Answer 2

Client-centered

1) style
2) technology
3) special features

Question 3

After the selecting the physical parts of the HA, ____________ data can be used to determine the specific _______________ characteristics for the individuals HA

Answer 3

Assessment

Electroacoustic

Question 4

What are the two types of apparel he’s that have been used to select a HAs electroacoustic characteristics?

Answer 4

1) comparative

2) prescriptive

Question 5

Which approach to HA selection is used today?

Answer 5

Prescriptive

Question 6

What is the comparative approach to HA selection?

Answer 6

Compare devices to each other to find what works best

Question 7

What is the prescriptive method of HA selection?

Answer 7

Use audio metric data to make a HA “prescription”

Question 8

What are some prescriptive HA selection methods?

Answer 8

1) for linear HA
2) for non-linear HAs
3) designed by HA manufacturers

Question 9

What are the two most common non-proprietary prescriptive methods?

Answer 9

NAL and DSL

Question 10

Of the NAL and DSL, which is more and which is less conservative when it comes to gain?

Answer 10

NAL - more conservative

DSL - more aggressive

Question 11

Though HA selection methods ______ in the _______, in general they have the same goal of:

Answer 11

Differ in the details

Making as much of the speech spectrum audible as possible without making sounds uncomfortably loud

Question 12

software for programming digital HA calculates the prescribed ___________ __________ and automatically ___________ the HA to match the ______________

Answer 12

Electroacoustic characteristics
Programs
Prescription

Question 13

What are the 2 purposes of an HA fitting?

Answer 13

1) verify appropriateness of the HA

2) orient the patient to use and care of HA

Question 14

What is verification?

Answer 14

Process of ensuring that e HA meets expectations

Question 15

What are 3 questions we attempt to answer in verification?

Answer 15

1) is it what we ordered?
2) do the electroacoustic characteristics match the prescription?
3) is the fit comfortable/cosmetically acceptable?

Question 16

Performance of the HA ___ the patient must be assessed and what 2 things need ot be accounted for?

Answer 16

On

1) physical differences among individuals
2) perceptual differences among individuals

Question 17

Because people are _______ different, HAs ________ differently

Answer 17

Physically

Amplify

Question 18

An HA will give more gain/maximum output on a _____ than on an _____, due to differences in ________ _____

Answer 18

Child
Adult
Physical size

Question 19

Differences in individuals physical size may result in?

Answer 19

Getting more or less amp than planned from an HA

Question 20

Prescriptive approaches are based on ________, and any particular person may ____ from that.

Answer 20

Average

Vary

Question 21

IN order to account for individual _________, we have to take measures while what?

Answer 21

Perceptions

The HA is being worn

Question 22

What 3 things does the AUD need to verify at the HAF?

Answer 22

1) verify gain matches prescriptive targets
2) verify convo speech is amp to a comfortable level
3) verify HA doesn’t amplify sounds to an uncomfortable level

Question 23

What is the first way that HA gain be verified?

Answer 23

Probe microphone system

Question 24

What is a probe microphone system

Answer 24

A small mic placed in the ear canal to measure amp given by an HA, and it gives a graph showing gain as a function of frequency

Question 25

When measuring with a probe mic system, the gain is referred to as __________ _____

Answer 25

Insertion gain

Question 26

What is the second way HA gain can be verified?

Answer 26

Behavioral assessment

Question 27

What is a behavioral assessment for HA gain verification like?

Answer 27

Warble tone thresholds are measured, unaided, and aided, and then compared

Question 28

When measuring with behavioral assessment, the mmeasured gain is referred to as _________ _____

Answer 28

Functional gain

Question 29

To check that conversational speech is amplified to a comfortable level, how do we verify this?

Answer 29

Informal check through conversational speech (with therapist or family members), or present recorded speech, do SIN testing

Question 30

What is the formal method for verifying appropriate maximum output of HAs?

Answer 30

Measure the max output by using a probe mic system and presenting a 90 dB SPL signal

Question 31

What is the informal assessment for verifying approval maximum output of HAs?

Answer 31

AUD shouts, claps, slams door, etc and asks client to report if sounds were uncomfortable

Question 32

The patient will likely want other adjustments to their HAs after they get to what?

Answer 32

What them in “their” listening enviroments

Question 33

The initial settings of an HA are a ________ ______ in the fitting process

Answer 33

Starting point