perception of sound

Question 1

perception of loudness?

Answer 1

corresponds to physical dimension of amplitude of sound waves
loudness is signalled by the rate of firing

Question 2

perception of pitch

Answer 2

corresponds to frequency.
This is signalled by place coding= information is carried by which neurons fire

also signalled by temporal coding= information is carried by the timing of the AP fired

Question 3

perception of spatial location

Answer 3

differences in intensity and time the sound reaches each ear which is processed in the brain stem and then packaged into the auditory cortex to determine where the sound occurred and where from.