The Ear Flashcards
What is the Incus and where is it located?
The “anvil”, located in the Ossicles.
What is the Stapes and where is it located?
The “Stirrup”, located in the Ossicles.
Amplitude
height from baseline to peak (loudness).
What does the Auditory (Ear) Canal do and where is it located?
It , located in the outer ear.
Wavelength
distance from peak to peak.
Frequency
cycles/second (Hz), Pitch ad timbre.
Timbre
Quality of sound.
What does the Pinna do and where is it located?
It collects and shapes sound, located in the outer ear.
What is the Malleus, and where is it located?
The “Hammer”, located in the Ossicles.
What does the Ossicles do and where is it located?
Uses vibration to amplify sound.
What does the Tympanic membrane do and where is it located?
Contains the eardrum, vibrates. It is located in the middle ear.
What is the Oval Window and what is it attached to?
Membrane that separates the middle and inner ear ad sound vibrations pass through it.
What causes auditory localization?
Timing of sound arriving at each ear, and the difference sound intensity at each ear.
What is conduction deafness and how can it be treated?
Bones of middle ear fuse together; damage tympanic membrane. Prevents accurate conduction of vibrations
Surgery to break ossicles apart and exchange for plastic replacements, hearing aids.
What is nerve deafness and how can it be treated?
A problem with the inner ear. Most commonly damage to the hair cells, or damage to the acoustic nerve (occurs gradually with age).
