Basilar Membrane: tonotopy, octaves
Thick & taut near base
Thin & floppy at apex
Couples with vibrating
fluid to give local peak
response.
Tonotopic PLACE
map (...homunculus)
LOGARITHMIC: 20
Hz -> 200 Hz -> 2kH
-> 20 kHz, each 1/3
of the membrane
Two-tone
discrimination
Timing