Psychology 103 - Physiological Psychology » Spring 2022 » Chapter 6 Practice Quiz 2
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Question #1
Mach bands are perceived because
A.
visual receptors on the more intense side of an edge receive less lateral inhibition than receptors on the less intense side.
B.
the visual receptors near an edge become hyperpolarized.
C.
visual receptors on the more intense side of an edge receive more lateral inhibition than receptors on the less intense side.
D.
visual receptors adjacent to an edge on the more intense side receive less lateral inhibition than do receptors farther from that edge, and because visual receptors adjacent to the edge on the less intense side receive more lateral inhibition than do receptors farther from that edge.
E.
if A fires less than B, B must fire more than C.
Question #2
Hubel and Wiesel's method of studying neural coding in sensory systems involves
A.
starting at the periphery of a system and progressively studying neurons at "higher" and "higher" levels of the system.
B.
determining which stimuli have the most effect on the firing of an individual neuron when they are presented in its visual field.
C.
all of these
D.
defining the receptive fields of individual neurons.
E.
none of these
Question #3
In essence, on-center and off-center cells of the retina-geniculate-striate system respond best to
A.
circles.
B.
movement.
C.
dots of light.
D.
contrast.
E.
straight lines.
Question #4
In general, neurons of the retina-geniculate-striate system respond weakly to
A.
monocular stimuli.
B.
circular edges.
C.
contrast.
D.
circles of light.
E.
diffuse light.
Question #5
Like simple cells, complex cortical cells
A.
respond best to straight-line stimuli in a particular orientation.
B.
are unresponsive to diffuse light.
C.
respond to contrast.
D.
all of these
E.
have rectangular receptive fields.
Question #6
The receptive fields of complex cortical cells are usually __________ than those of simple cortical cells.
A.
more monocular
B.
less circular
C.
more circular
D.
bigger
E.
smaller
Question #7
The component theory and the opponent theory are theories of
A.
visual illusions.
B.
color vision.
C.
color mixing.
D.
edge perception.
E.
wavelength.
Question #8
The trichromatic theory of color vision is
A.
supported by monochromatic colors.
B.
supported by complementary afterimages.
C.
also known as the opponent theory.
D.
a version of the opponent-process theory.
E.
also known as the component theory.
Question #9
The main function of color constancy is to ensure that
A.
lights of different wavelengths appear to be different colors.
B.
lights of the same wavelength appear to be the same color.
C.
complementary colors always look complementary.
D.
lights of the same wavelength appear to be the same color, regardless of their intensity.
E.
an object appears to be the same color despite changes in the wavelengths of light that it is reflecting.
Question #10
Somehow the visual system compares the wavelengths of light reflected by adjacent areas of a visual display, and on this basis color is perceived. The cells that appear to perform this function are
A.
complex cortical color cells.
B.
simple cortical color cells.
C.
trichromatic color cells.
D.
dual-opponent color cells.
E.
cones.
Question #11
Prestriate cortex and inferotemporal cortex are considered to be areas of
A.
primary visual cortex.
B.
the occipital lobe.
C.
the parietal lobe.
D.
association cortex.
E.
secondary visual cortex.
Question #12
Posterior parietal cortex is considered to be
A.
primary cortex.
B.
association cortex.
C.
secondary visual cortex.
D.
paleocortex.
E.
primary visual cortex.
Question #13
Many neuropsychological patients with scotomas are unaware of them because of
A.
serial processing.
B.
hindsight.
C.
binding.
D.
hemianopsia.
E.
completion.
Question #14
The dorsal stream flows from primary visual cortex to
A.
inferotemporal cortex then to posterior parietal cortex.
B.
posterior parietal cortex then to inferotemporal cortex.
C.
dorsal prestriate cortex then to inferotemporal cortex.
D.
dorsal prestriate cortex then to posterior parietal cortex.
E.
inferotemporal cortex then to prestriate cortex.
Question #15
According to the widely accepted 1982 theory of Ungerleider and Mishkin, "where" is to "what" as
A.
visual perception is to spatial perception.
B.
ventral stream is to dorsal stream.
C.
contrast vision is to color vision.
D.
agnosia is to blindsight.
E.
dorsal stream is to ventral stream.
Question #16
Some evidence suggests that prosopagnosia may not be specific to faces, that it may be attributable to a general inability to
A.
recognize cows and birds.
B.
recognize parts of faces.
C.
recognize specific names of faces.
D.
distinguish among similar individuals.
E.
distinguish among similar members of complex classes of visual stimuli.
Question #17
Akinetopsia is associated with damage to
A.
primary visual cortex.
B.
the dorsal route.
C.
V3.
D.
posterior parietal cortex.
E.
MT/V5.
Question #18
Blindsight sometimes occurs in patients with scotomas resulting from
A.
retinal damage.
B.
thalamic damage.
C.
collicular damage.
D.
spinal damage.
E.
primary visual cortex damage.
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