Hearing Ii: Location And Organization

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Question 1
Free
Multiple Choice

 Which auditory localization dimension extends from left to right

Choose correct answer/s
A

elevation

B

depth

C

azimuth

D

time

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Question 2
Free
Multiple Choice

 The horizontal axis in auditory localization is called the _____ .

Choose correct answer/s
A

elevation

B

depth

C

azimuth

D

bradburthy

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Question 3
Free
Multiple Choice

 If there is an interaural time difference, we interpret the sound as coming from _____ .

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A

directly in front of us

B

directly behind us

C

the side

D

directly above us

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Question 4
Free
Multiple Choice

 Interaural level differences are a cue to auditory localization because the _____ .

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A

person's head creates an acoustic shadow that prevents high-frequency sounds from reaching the far ear

B

person's head creates an acoustic shadow that prevents low-frequency sounds from reaching the far ear

C

medium through which the sound travels can be air, liquid, or solid

D

acoustic shadow is more likely to occur in an enclosed space than outdoors

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Question 5
Free
Multiple Choice

 The cue of interaural level difference is _____ .

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A

not effective for low-frequency sound stimuli

B

equally effective for high- and low-frequency sound stimuli

C

not effective for high-frequency sound stimuli

D

only effective for middle-frequency sound stimuli

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Question 6
Multiple Choice

 What is the dominant cue for locating low-frequency sounds along the azimuth

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A
The ITD is dominant.
B
The ILD is dominant.
C
The ITD and ILD are equally effective.
D
Only the HRTF is used.
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Question 7
Multiple Choice

 The _____ is composed of the locations where the ILD and ITD are the same.

Choose correct answer/s
A
common region
B
cone of confusion
C
inverse acoustic range
D
Jeffries tube
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Question 8
Multiple Choice

 Spectral cues for auditory localization are provided by _____ .

Choose correct answer/s
A
the frequency of the sound wave
B
the interaural level difference
C
the head position and the pinnae
D
the motion of the stimulus
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Question 9
Multiple Choice

 Gardner and Gardner showed that smoothing out the nooks of the pinnae _____ .

Choose correct answer/s
A
results in more accurate localization on all coordinates
B
makes it more difficult to locate sounds along the elevation coordinate
C
results in more accurate localization along the elevation coordinate
D
does not affect spectral cues for localization
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Question 10
Multiple Choice

 Hofmann et al. had participants wear artificial pinnae for about three weeks. What did they find

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A
Participants could not adapt to wearing the artificial pinnae.?
B
Participants adapted in about 19 days, but then could not accurately localize sounds when they removed the artificial pinnae.
C
Participants adapted in about 19 days, and then could accurately localize sounds when they removed the artificial pinnae.
D
Participants could not localize sounds along the azimuth with the new pinnae, but could localize sounds along the elevation coordinate after 3 days of adaptation.
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Question 11
Multiple Choice

 From the auditory nerve, information is passed through a sequence of subcortical structures. Which of the following reflects the correct sequence

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A
medial geniculate nucleus, cochlear nucleus, superior olivary nucleus, and inferior colliculus
B
cochlear nucleus, superior olivary nucleus, inferior colliculus, and medial geniculate nucleus
C
superior olivary nucleus, medial geniculate nucleus, cochlear nucleus, and inferior colliculus
D
medial geniculate nucleus, inferior colliculus, cochlear nucleus, and superior olivary nucleus
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Question 12
Multiple Choice

 The neural basis of binaural localization begins along the pathway to the brain, in the _____ .

Choose correct answer/s
A
medial geniculate nucleus
B
cochlear nucleus
C
inferior colliculus
D
superior olivary nucleus
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Question 13
Multiple Choice

 Coincidence detectors _____ .

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A
fire when the ITD equals 0
B
fire when the ITD is greater than 20
C
have been found in humans, but not in non-mammals
D
fire when the ILD is greater than 50
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Question 14
Multiple Choice

 Interaural time difference detectors _____ .

Choose correct answer/s
A
have not been found in the monkey auditory cortex?
B
have been discovered in the monkey occipital cortex
C
have been found in the monkey auditory cortex that responds best to specific delays
D
have been found in the monkey auditory cortex, but do not differentially respond to different delays
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Question 15
Multiple Choice

 McAlpine's research on gerbils provides evidence for _____ .

Choose correct answer/s
A
narrowly tuned ITD neurons?
B
broadly tuned ITD neurons
C
specificity-coding in the auditory cortex
D
narrowly tuned spectral neurons
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Question 16
Multiple Choice

 Recanzone (2000) examined localization in A1 and the auditory belt area in monkeys. Results indicated that _____ .

Choose correct answer/s
A
the posterior belt area is not involved in localization
B
A1 provides the most specific localization information?
C
localization coded the same throughout the auditory cortex
D
the posterior belt area provides more specific localization then A1
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Question 17
Multiple Choice

 Patient J.G. has temporal lobe damage. While this has not affected his ability to locate sounds, he has difficulty recognizing sounds. This case provides evidence for _____ .

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A
the Jeffress model of auditory localization
B
what and where pathways in audition
C
the existence of separate subcortical structures
D
how and where pathways in audition
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Question 18
Multiple Choice

 Sound that reaches the ears after bouncing off a wall or a floor is called _____ .

Choose correct answer/s
A
direct sound
B
indirect sound
C
virtual sound
D
harmonics
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Question 19
Multiple Choice

 The precedence effect occurs when _____ .

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A
the listener perceives the fused sound from two speakers to be originating from the lead speaker
B
the listener perceives the fused sound from two speakers to be originating from the lag speaker
C
the listener cannot fuse the sound from two speakers because the lead speaker is too loud
D
the listener cannot fuse the sound from two speakers because the lag speaker is too loud
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Question 20
Multiple Choice

 In the precedence effect, the sound from the far speaker _____ .

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A
does not contribute to the perception of the sound
B
only helps sound localization if the time difference is less than 5 milliseconds
C
only helps sound localization if the time difference is less than 2 milliseconds
D
contributes to the quality of the sound
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