Flashcards in Lecture 23: Auditory perception 2 Deck (10):
Hair cells sit in rows on the
We have approximately _______ inner
hair cells and ______ outer hair cells
Difference between inner (1) and outer (3) hair cells?
Outer: moves tectorial membrane to trigger inner hair cells
1 column of inner hair cells
Inner: 95% go up auditory nerve to the brain (5% outer)
3 column of inner hair cells
the change from physical
energy to electrochemical energy
The moving roof triggers _________ to send signals along the ____________.
inner hair cells; auditory nerve
What is the place code?
Frequency localised on how close to the base of basilar membrane
When does place code theory hold up?
High frequencies above 800Hz.
What is phase locking?
Spikes the same time as peaks of frequencies
Auditory nerve connected to inner hair cell tends to fire
at the __________ of the stimulating waveform.