4.13-4.16: Sound 101

Question 1

The perceptual quality of sound that makes a flute sound high and a tuba low

Answer 1

Pitch

Question 2

The portion of the ear containing the eardrum and ossicles

Answer 2

Middle ear

Question 3

Three tiny bones in the ear - the hammer, anvil, and stirrup - that act as levers to amplify incoming sound waves

Answer 3

Ossicles

Question 4

The innermost part of the ear, where the cochlea resides

Answer 4

Inner ear

Question 5

A spiral structure in the inner ear where the basilar membrane, containing auditory sensory neurons, is located

Answer 5

Cochlea

Question 6

A structure in the cochlea where the auditory cilia, or auditory sensory neurons, are located

Answer 6

Basilar membrane

Question 7

A theory of pitch perception stating that the brain uses the frequency of auditory sensory neuron firing to indicate pitch

Answer 7

Frequency theory

Question 8

A theory of pitch perception stating that different pitches arise from stimulation at different places along the basilar membrane

Answer 8

Place theory

Question 9

The region of the brain, located in the temporal lobe, where sound is processed

Answer 9

Primary auditory cortex

Question 10

The arrangement of the auditory cortex such that nearby frequencies are processed near each other in the brain, resulting in a sound map

Answer 10

Tonotopic organization