Lecture 9: Auditory sensation and perception

Question 1

In visual perception how must we interpret retinal activation?

Answer 1

in the context of what information we have about higher-order aspects of the visual scene e.g. in a complex image two regions may look exactly the same, but have completely different “meanings” when they are placed in context of objects and their properties

Question 2

Which receptors detect vibrations in air and what is their range?

Answer 2

inner hair cells

20 - 20,000 Hz

Question 3

What is the sensitivity and dynamic range of inner hair cells?

Answer 3

picometers to 100dB

Question 4

What is the receptive field of inner hair cells?

Answer 4

peak of travelling wave?

Question 5

What is transduction?

Answer 5

how energy is captured and transformed

Question 6

What is receptive field?

Answer 6

what stimuli can change neuronal activity

Question 7

What are the sound energy parameters perception is related to?

Answer 7

wavelength or pitch
amplitude or loudness
waveform or tone / timbre