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

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accommodation and convergence

convergence and accretion

accretion

stereopsis

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Question 2

Free

Multiple Choice

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

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less effective

more effective

equally effective

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

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accommodation

accretion

stereopsis

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

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relative height

convergence

occlusion

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

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relative height

relative size

familiar size

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

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atmospheric perspective

occlusion

relative size

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 _____ .

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familiar size is most effective when other information about depth is absent

familiar size is most effective when the observer has both eyes open

the quarter was judged to be closer than the dime, when viewed monocularly

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 _____ .

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atmospheric perspective

familiar size

perspective convergence

motion parallax

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Question 9

Multiple Choice

Motion parallax _____ .

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is widely used to create depth in cartoons and video games

is an important depth cue for amphibians, but not mammals

occurs when near objects are perceived as moving slower than distant objects

has not proven to be an effective cue for robot vision

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Question 10

Multiple Choice

Deletion and accretion are _____ .

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especially effective when viewing non-moving displays

only important when both eyes are open

effective for detecting depth when moving sideways

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

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atmospheric perspective

occlusion

accommodation

convergence

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Question 12

Multiple Choice

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

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Binocular integration

Convergent depth perception

Stereoscopic depth perception

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.

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Strabismus

Macular degeneration

Ciliary disjunctive disorder

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 _____ .

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the cortex receives messages from both eyes, making it difficult to attend to one visual stimulus

the visual system suppresses vision in one eye in order to avoid having the experience of double vision

the misaligned eye movements are "jittery" making it difficult to form a stable perception

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 _____ .

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the horopter

the univariance plane

the constancy arc

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.

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Deletion; accretion

Accretion; deletion

Binocular disparity; convergence

Binocular disparity; stereopsis

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Question 17

Multiple Choice

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

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rapidly alternating between two images

presenting an image to each eye at different distances from the retina

presenting an image to each eye that are from slightly different perspectives

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 _____ .

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motion parallax

accommodation

binocular disparity?

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.

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disparate

alternative-source

displaced

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.

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lenticular projections?

stereographic photographs

gradient patterns

random dot stereograms

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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

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

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

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

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

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

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 _____ .

Motion parallax _____ .

Deletion and accretion are _____ .

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

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

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

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

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

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

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

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

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.

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

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