Hearing Flashcards
1
Q
Pinna
A
This is what we often think of when we think of ear. (outer ear)
Helps direct sound waves
2
Q
Tympanic membrane
A
Ear drum!
- vibrates
- transfers wave to ossicles
3
Q
Ossicles
A
The THREE SMALLEST BONES IN THE BODY!
- help amplify sound
- transfer sound waves to oral window
4
Q
Oval window
A
- transfers waves to the cochlea
5
Q
Cochlea
A
TRANSDUCTION happens HERE!
- fluid filled - sound waves move the fluid
6
Q
Basilar Membrane
A
Located INSIDE THE COCHLEA
- soundwaves cause membrane to move up and down
- bends cilia on the hair cells that are attacjed to membrane
7
Q
What is the place theory?
A
The theory of audition that suggests that we understand pitch because of the location of firing on the basilar membrane
8
Q
What is the frequency theory?
A
The theory of audition that suggests that we understand pitch because of the RATE of cellular firing on the basilar membrane
