Question 1

The ascending auditory pathway goes,in order,from inner hair cells to Type I auditory nerve fibers to

Accepted Answer

A)  the contralateral cochlear nucleus.
B)  the ipsilateral cochlear nucleus.
C)  the contralateral inferior colliculus. B

Question 2

An acoustic shadow has a much greater effect for

Accepted Answer

A)  high-frequency sounds.
B)  low-frequency sounds.
C)  loud sounds. A

Question 3

According to the Doppler effect,the of a sound emitted by a moving sound source is behind the sound source than in front of it.

Accepted Answer

A)  loudness;higher
B)  frequency;lower
C)  loudness;lower B

Question 4

Sound localization in the dimension involves azimuth.

Accepted Answer

A)  front-to-back
B)  side-to-side
C)  up-down

Question 5

The is found in the brain stem.

Accepted Answer

A)  medial geniculate body
B)  superior olivary complex
C)  inferior colliculus

Question 6

The location of two equidistant sound sources would be in the cone of confusion when______________ are highly similar.

Accepted Answer

A)  only their ITDs
B)  only their ILDs
C)  both their ITDs and ILDs

Question 7

Structures in the visual system such as the lateral geniculate nucleus (LGN)and visual cortex are described as having "retinotopic" mapping.What type of mapping is ascribed to structures in the auditory core region? Briefly define this type of mapping.How is this type consistent with functionality of the cochlea?

Accepted Answer

The answer of Structures in the visual system such as...

Question 8

According to the effect,the frequency of a sound emitted by a moving sound source is in front of the sound source than behind it.

Accepted Answer

A)  Doppler;higher
B)  Dolby;lower
C)  Doppler;lower

Question 9

The main ascending auditory pathway from the right ear includes the ipsilateral cochlear nucleus,

Accepted Answer

A)  the contralateral cochlear nucleus,and the contralateral auditory cortex.
B)  the ipsilateral superior olivary complex,and the ipsilateral auditory cortex.
C)  the contralateral inferior colliculus,and the contralateral auditory cortex.

Question 10

A football helmet completely covers and cushions a player's ears (pinna),save for a small hole that allows sound to enter.How is a player's ability to localize sounds affected by wearing a helmet?

Accepted Answer

The answer of A football helmet completely covers and cushions...

Question 11

Bats use by emitting sounds in the range of .

Accepted Answer

A)  echolocation;20 to 20,000 Hz.
B)  echolocation;20,000 to 100,000 Hz.
C)  the Doppler effect;20,000 to 100,000 Hz.

Question 12

The auditory pathway plays a role in modulating the motile response,activating the acoustic reflex,and blocking task-irrelevant ascending auditory signals.

Accepted Answer

A)  ascending
B)  descending
C)  lateral

Question 13

The secondary ascending auditory pathway from the right ear includes the ipsilateral cochlear nucleus,

Accepted Answer

A)  the contralateral cochlear nucleus,and the contralateral auditory cortex.
B)  the ipsilateral superior olivary complex,and the ipsilateral auditory cortex.
C)  the contralateral inferior colliculus,and the contralateral auditory cortex.

Question 14

Tonotopic maps in the auditory core regions have shown that

Accepted Answer

A)  the characteristic frequencies of the neurons gradually shift from lower at one end to higher at the other end.
B)  the characteristic frequencies of the neurons appear to be randomly determined.
C)  the arrangement of neurons is related to temporal coding but not to place coding along the basilar membrane.

Question 15

Which of the following receives inputs from the auditory core region?

Accepted Answer

A)  the belt
B)  the rostral core
C)  the rostrotemporal core

Question 16

The "what" pathway for audition includes the core regions,

Accepted Answer

A)  the belt and parabelt regions,and the anterior parts of the temporal cortex.
B)  the belt and parabelt regions,the posterior parts of the temporal cortex,and the posterior parietal cortex.
C)  the posterior parts of the temporal cortex,and the posterior parietal cortex.

Question 17

Interaural level difference refers to the difference ,while interaural time difference refers to the difference .

Accepted Answer

A)  in arrival time for two distinct sounds reaching one ear;in the sound level of the same sound to the two ears
B)  in the sound level of the same sound to the two ears;in the arrival time for the same sound to the two ears
C)  location within the cone of confusion;arrival time for two distinct sounds with the same azimuth

Question 18

The "where" pathway for audition includes the core regions,

Accepted Answer

A)  the belt and parabelt regions,and the anterior parts of the temporal cortex.
B)  the posterior parts of the auditory cortex,and the posterior parietal cortex.
C)  as well as the anterior parts of the auditory cortex.

Question 19

Information about the of a sound source comes from the spectral shape cue provided by the .

Accepted Answer

A)  elevation;pinna
B)  azimuth;basilar membrane
C)  azimuth;pinna

Question 20

The pathway for audition includes the core regions,the posterior parts of the auditory cortex,and the posterior parietal cortex.

Accepted Answer

A)  "what"
B)  "where"
C)  "why"

Exam 10: The Auditory Brain and Perceiving Auditory Scenes