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Functional Gain
Hearing Aid 2
6
Audiology
Graduate
03/14/2018

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Term
the difference between unaided & aided warbled pure-tone thresholds measured in the sound field
Definition
functional gain
Term
-Use warbled pure tones to decrease likelihood of creating ___ waves in the sound field
-Use an __ for unaided soundfield thresholds and __ for aided sounfield thresholds
Definition
standing; S; A
Term
Advantages of functional gain:
-Aided SF thresholds: can help to evaluate the audibility of ___ sounds
-Verifies that signals (speech, WPT, NBN) are ___. Especially valuable for individuals with profound loss.
-Does not produce ___
-Unable to obtain ___ (or other) probe-microphone measures on some individuals
-Many patients are already ___ with the task
Definition
soft; audible; feedback; REIG; familiar
Term
Limitations of functional gain:
-Cannot test ___ features
-Circuit noise & ambient room noise may ___ test signals
-Artifacts with sloping loss may yield ___ results
-Often yields less ___-specific information than probe-mic measures
-Does not yield information about ___-___ hearing
Definition
advanced; mask; inaccurate; frequency; supra-threshold
Term
When scores cannot go any higher. Would be impossible to measure if “aided” scores were better than unaided scores
Definition
Ceiling effect
Term
When you get very low scores
Definition
floor effect
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