HA Final Exam Flashcards
Name some effects of HL
Irritability, negativism, anger
Fatigue, tension, stress, depression
Withdrawal from social situations
Social rejection, loneliness
Reduced alertness & increased risk to personal safety
Impaired memory & ability to learn new tasks
Reduced job performance & earning power
Diminished psychological & overall health
Three Phases of Psychological Adjustments
Awareness, Acceptance, Adjustment
Why do People not wear HAsWhat We Got From MarkeTrak
Lack of benefit
Lack of benefit in noise
Poor cosmetics
Disbelief that they need help
Inability to insert the earmold
Poor fit and/or comfort
Negative side effects
Poor sound quality for own voice
Poor sound quality for external sounds
Feedback
Broken hearing aid
Difference between PSAP and HA
Personal Sound Amplification Products
Marketed as assitive devices not HA
TEN TEST
cochlear dead regions
will have poor freq res
Why is speech in noise testing conducted prefitting?
Helps address patients’ usual complaint of understanding speech in noisy environments
Can influence fitting arrangements (unilateral vs. bilateral), hearing aid style, noise-reducing feature settings, and selection of additional features such as remote mics
Establishes a baseline for aided benefit and monitor performance over time
Assists with counseling for realistic expectations (comparing results to NH listeners or listeners with same degree of HL)
Helps patient make a decision on pursuing hearing aids
A person with a large ANL_____
would be less likely to become a HA user
What all hearing aids do
Sound goes in the Microphone.
Sound gets amplified.
Sound comes out the Speaker into your Ear
All HA have_____
battery, mic, and reciever
Ideal reciever has a _____
wide flat freq response
what is the point of an acoustic damper?
to dampen resonant peaks
Most receivers use ____microphones
electret
What is the major limitation of adaptive directionality?
reverberation
what does omni directional, cartioid, hypercartiod, and bidirectional look like?
Omni- circle Cartioid- upside down heart hyper cartioid- squidward bidirectional- 8
The cochlea is_______
nonlinear
