Perceiving Depth And Size

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Question 1
Free
Multiple Choice

 Merrill watches his finger with both eyes as he brings it closer to his nose. As the finger gets closer, his eyes move inward and he feels his eye muscles working. Which depth cue(s) is/are associated with the changes made in the shape of the lens as he brings objects into focus

Choose correct answer/s
A

accommodation and convergence

B

convergence and accretion

C

accretion

D

stereopsis

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Question 2
Free
Multiple Choice

 Of the oculomotor depth cues, convergence is _____ than accommodation.

Choose correct answer/s
A

less effective

B

more effective

C

equally effective

D

less automatic

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Question 3
Free
Multiple Choice

 What depth cue could be classified as a binocular cue and an oculomotor cue

Choose correct answer/s
A

accommodation

B

accretion

C

stereopsis

D

convergence

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Question 4
Free
Multiple Choice

 When your professor stands behind a podium, you perceive your professor as being further away than the podium because the podium blocks the vision of the professor's body. This is an example of which depth cue

Choose correct answer/s
A

relative height

B

convergence

C

occlusion

D

accommodation

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Question 5
Free
Multiple Choice

 Several years ago, Bryce, a devoted fan of the Houston Rockets basketball team who had gone to many games in person, saw the player Yao Ming (who is 7'6" tall) standing next to his coach Jeff VanGundy (who is less than 6 feet tall). Bryce still remembers that she correctly perceived the two men as being the same distance away from her. Which depth cue most influenced her perception

Choose correct answer/s
A

relative height

B

relative size

C

familiar size

D

accretion

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Question 6
Multiple Choice

 Vinod is standing on a rooftop in a city. The buildings closer to him look sharper, and the buildings in the distance look hazier. This is an example of which depth cue

Choose correct answer/s
A
atmospheric perspective
B
occlusion
C
relative size
D
shadowing
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Question 7
Multiple Choice

 Epstein (1965) presented observers photographs of a quarter, dime, and half-dollar that were all equal in physical size. His results showed that _____ .

Choose correct answer/s
A
familiar size is most effective when other information about depth is absent
B
familiar size is most effective when the observer has both eyes open
C
the quarter was judged to be closer than the dime, when viewed monocularly
D
accommodation is a stronger cue than any pictorial depth cue
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Question 8
Multiple Choice

 As Tyler looks down a railroad track, he perceives the sides of the tracks as becoming closer as the distance increases. This is an example of _____ .

Choose correct answer/s
A
atmospheric perspective
B
familiar size
C
perspective convergence
D
motion parallax
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Question 9
Multiple Choice

 Motion parallax _____ .

Choose correct answer/s
A
is widely used to create depth in cartoons and video games
B
is an important depth cue for amphibians, but not mammals
C
occurs when near objects are perceived as moving slower than distant objects
D
has not proven to be an effective cue for robot vision
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Question 10
Multiple Choice

 Deletion and accretion are _____ .

Choose correct answer/s
A
especially effective when viewing non-moving displays
B
only important when both eyes are open
C
effective for detecting depth when moving sideways
D
ineffective for judging depth in natural environments
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Question 11
Multiple Choice

 Which depth cue is effective both from 0-2 meters and above 20 meters

Choose correct answer/s
A
atmospheric perspective
B
occlusion
C
accommodation
D
convergence
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Question 12
Multiple Choice

 _____ is defined as depth perception created by input from both eyes.

Choose correct answer/s
A
Binocular integration
B
Convergent depth perception
C
Stereoscopic depth perception
D
Viewpoint dependent depth
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Question 13
Multiple Choice

 _____ is a term used to describe conditions in which movements between the two eyes are not coordinated.

Choose correct answer/s
A
Strabismus
B
Macular degeneration
C
Ciliary disjunctive disorder
D
Oculomotor instability
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Question 14
Multiple Choice

 Individuals with "walleye" or other conditions in which the eyes are misaligned have difficulty with depth perception because _____ .

Choose correct answer/s
A
the cortex receives messages from both eyes, making it difficult to attend to one visual stimulus
B
the visual system suppresses vision in one eye in order to avoid having the experience of double vision
C
the misaligned eye movements are "jittery" making it difficult to form a stable perception
D
they are unable to use any picture depth cues
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Question 15
Multiple Choice

 The imaginary plane in which all objects project to corresponding points in the left and right retina is _____ .

Choose correct answer/s
A
the horopter
B
the univariance plane
C
the constancy arc
D
the binocular area
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Question 16
Multiple Choice

 _____ is the difference in the images in the two eyes; _____ is the impression of depth that results from this information.

Choose correct answer/s
A
Deletion; accretion
B
Accretion; deletion
C
Binocular disparity; convergence
D
Binocular disparity; stereopsis
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Question 17
Multiple Choice

 A stereoscope provides the illusion of depth in 2-D images by _____ .

Choose correct answer/s
A
rapidly alternating between two images
B
presenting an image to each eye at different distances from the retina
C
presenting an image to each eye that are from slightly different perspectives
D
presenting an image to each eye that have different polarization filters in place
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Question 18
Multiple Choice

 The depth cue that is responsible for perceiving depth in "3-D" movies is _____ .

Choose correct answer/s
A
motion parallax
B
accommodation
C
binocular disparity?
D
relative height
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Question 19
Multiple Choice

 When you put your 3-D glasses on at a movie, the lenses separate the two overlapping images so that each eye only receives one of the images. Today, the image separation is most often achieved by using _____ light.

Choose correct answer/s
A
disparate
B
alternative-source
C
displaced
D
polarized
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Question 20
Multiple Choice

 The importance of _____ is that these stimuli rely solely on binocular disparity to provide the impression of depth.

Choose correct answer/s
A
lenticular projections?
B
stereographic photographs
C
gradient patterns
D
random dot stereograms
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