Quiz #12 Flashcards
The horizontal axis (left-right) in auditory localization is called the ___.
a.
elevation
b.
depth
c.
azimuth
d.
yawl
c.
azimuth
The ___ is composed of the locations where the ILD and the ITD are the same.
a.
common region
b.
cone of confusion
c.
inverse acoustic range
d.
Jeffries tube
b.
cone of confusion
The ___ is important for binaural localization because it is where signals from the left and right ears first meet in the brain.
a.
medial geniculate nucleus
b.
cochlear nucleus
c.
inferior colliculus
d.
superior olivary nucleus
d.
superior olivary nucleus
If sound is presented first in a lead speaker, and then, after a long delay, in a lag speaker, the listener will usually hear _____; if the delay between the lead and the lag speakers is quite short, the listener will hear _____.
a.
two separate sounds; only the first sound
b.
two separate sounds; only the second sound
c.
one sound that seems to move; two sounds at once
d.
two sounds at once; one sound that seems to move
a.
two separate sounds; only the first sound
Vision: figure-ground segregation; audition: ___.
a.
the ecological approach
b.
intimacy
c.
auditory scene analysis
d.
Fourier analysis
c.
auditory scene analysis
The ventriloquism effect is ___.
a.
a veridical representation of the physical stimulus
b.
an example of how vision influences auditory perception
c.
a strictly physiological effect
d.
when dummy variables are used in statistical analyses
b.
an example of how vision influences auditory perception
Paul Hoffman and coworkers (1998) had listeners wear molds in their ears to change the spectral cues normally provided by the folds in our outer ears. These researchers found that listeners’ ability to locate the direction of a sound _____.
a.
was unaffected
b.
was destroyed as long as molds were in place
c.
was improved
d.
was initially destroyed but listeners quickly adapted in less than a month
d.
was initially destroyed but listeners quickly adapted in less than a month
Sound that reaches the ears after bouncing off a wall or a floor is called _____.
a.
direct sound
b.
indirect sound
c.
virtual sound
d.
harmonics
b.
indirect sound
True or False: Reverberation time is the time it takes for a sound to decrease to 1/1000th of its original pressure.
a.
True
b.
False
a.
True
True or False: A psychologist would call implied polyphony “auditory stream segregation”
a.
True
b.
False
a.
True
