nov17pt2 Flashcards
1
Q
humans hear frequencies
A
20-20000Hz
2
Q
Hz is
A
waves per seconds
3
Q
1 Hz
A
1 full sine wave in 1 second
4
Q
babies hear freq
A
20-20thou
5
Q
adults hear
A
1000-4000Hz
6
Q
hearing becomes less sensitive b/c
A
we loose hair cells in cochlear, dont regenerate
7
Q
threshold of hearing
A
1 decibal
8
Q
above this causes damage
A
85 decibals
9
Q
cochlear is in
A
inner ear
10
Q
mechanotransduction happens in
A
cochlear
11
Q
between TM and fluid in cochlea
A
sound makes TM vibrate, set of bones vibrate, vibration in oval window
12
Q
after vibration of oval window
A
fluid waves in cochlea
13
Q
vibration of fluid in cochlea leads to
A
shearing mvoement between tectorial and basilar membranes
14
Q
shearing between tectorial and basilar membranes leads to
A
activates receptor potential of inner hair cells
15
Q
NT of inner hair cells
A
glutamate
