Hearing Science Basics
Hearing loss with advancing age
What is presbycusis?
________ is developing skills that were not present before. ___________ is restoring what was lost.
What is habilitation? What is rehabilitation?
Measures hearing sensitivity at different frequencies.
What are audiograms?
Hearing loss typically shown by individuals with middle ear disorder
What is conductive hearing loss?
Frictional forces that reduce the amplitude of a vibration over time
What is damping?
The most frequent childhood illness
What is otitis media?
A person with ______________ is likely to have some difficulties with speech production, language, cognition, voice, resonance, and fluency.
What is hearing loss?
This tympanogram reflects a healthy middle ear.
What is Type A?
A "moderate" hearing loss ranges between _____ to ____ dB
What is 41-55?
To improve the signal-to-noise ratio in a classroom, a ___________ may be used.
FM system, fundamental frequency, bandpass filter, or band-reject filter
What is a band-reject filter?
The ossicles
What is the malleus, incus, and stapes?
Onset of hearing loss is acquired before acquisition of spoken language?
What is prelingual?
Tympanogram that represents negative pressure in the middle ear
What is Type C?
Hearing loss that shows equal hearing sensitivity for both air and bone conduction on an audiogram
What is mixed hearing loss?
The basilar membrane is small and stiff at the _____ of the cochlea and massive and floppy at the _____ of the cochlea
BONUS: first blank is good for encoding ______ frequencies. second blank is good for encoding ______ frequencies
What is base? What is apex?
What are high frequencies? What are low frequencies?
One sound prevents us from hearing another sound
What is auditory masking?
Early Hearing Detection and Intervention (EHDI) requires every newborn to have a hearing screening within ______ month(s), a diagnostic evaluation by _______ month(s), and enrollment in intervention by _______ month(s).
What is one, three, and six?
A patient has a Type B tympanogram with a normal equivalenr volume reading. This is best described as:
chronic otitis media, cholesteatoma, middle ear pathology, or sensorineural hearing loss
What is chronic otitis media?
Have about equal hearing loss by air and bone conduction
What is sensorineural hearing loss?
Bluffing/pretending to understand, withdrawing from communicative interactions, domination conversations, and developing feelings of anger and self-pity
What are maladaptive strategies?
Neurons are arranged based on their best frequency (neurons with low frequency grouped together & neurons with high frequency grouped together)
What is tonotopicity?
American National Standards Institute (ANSI) recommends that background noise in a classroom should not exceed:
35 dB, 30 dB, 25 dB, or 15 dB
What is 35 dB?
What is Type B?
Humans are most sensitive to _____frequencies
What are midfrequencies (1000-4000 Hz)?
Interaural attenuation for bone conduction is about _______ dB
What is 40 dB?