Perceiving Motion

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Questions Bank

Introduction to Perception
The Beginning of the Perceptual Process
Neural Processing
Cortical Organization
Perceiving Objects and Scenes
Visual Attention
Taking Action
Perceiving Motion
Perceiving Color
Perceiving Depth and Size
Hearing I: Basic Processes and Pitch Perception
Hearing II: Location and Organization
Speech Perception
The Cutaneous Senses
The Chemical Senses

All Questions

Question 1

Free

Multiple Choice

The patient L.M. (studied by Zihl, et al.) had cortical lesions that affected her motion perception. What was her condition called

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prosopagnosia

akinetopsia

stroboscopia

amblyopia

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Question 2

Free

Multiple Choice

The patient L.M. (studied by Zihl, et al.), who had cortical lesions that affected her motion perception, experienced

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no problems pouring a cup of coffee?

no difficulty crossing a street

difficulty following dialogue

only minor social inconveniences

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Question 3

Free

Multiple Choice

A mouse "freezes" when it sees a cat nearby. This assists the mouse's survival because being motionless reduces _____ .

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the attention-attracting effect of motion

the effectiveness of camouflage

the levels of stress hormones

the pheromones the mouse gives off

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Question 4

Free

Multiple Choice

Camouflage can be interpreted as a problem of _____ .

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figure-ground segregation

binocular disparity

induced movement

the waterfall illusion

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Question 5

Free

Multiple Choice

Movies are to _ as the waterfall illusion is to _ .

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apparent movement; induced movement

real movement; apparent movement

movement aftereffects; stroboscopic movement

apparent movement; movement aftereffects

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Question 6

Multiple Choice

Our ability to perceive movement when reading "message boards" that are used in advertising is based on _____ .

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apparent movement?

movement aftereffects

waterfall effects?

motion agnosia

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Question 7

Multiple Choice

Brian looks at the moon and some clouds at night. He perceives the moon moving through the clouds. This is an example of _____ .

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induced motion

the stroboscopic effect

the Reichardt effect

the Shedlock effect

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Question 8

Multiple Choice

Larsen et al. (2006) used fMRI to study the responses of the brain to real and apparent motion and found that _____ .

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the pathways overlapped but processing occurred in different brain regions

both the pathways and the processing areas were distinct

similar regions of the brain were activated for both

there was a great deal of idiosyncrasy in the areas involved

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Question 9

Multiple Choice

As Dore runs through the park, the flow signals that he is moving and not the environment. Gibson calls this _____ .

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local disturbances in the optic array

deletion in the optic array

the global optic flow

the bioptic flow

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Question 10

Multiple Choice

Tom is watching Terri walk across the room. According to Gibson, Tom perceives Terri _____ .

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to be moving because her image is moving across his retina

to be stationary because the background is stationary

to be moving because of a local disturbance in the optic array

to be stationary because the background texture is fixed

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Question 11

Multiple Choice

In addition to describing movement detection in terms of the environment, researchers have proposed different ways to detect movement from a physiological perspective. The Reichardt detector is one solution. Which of the following is the greatest weakness of the Reichardt detector

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It only explains motion detection for images that cross the receptors.

It only explains how eye movements can be accounted for in motion detection.

It only is able to detect lateral movement of stimuli.

It operates using excitatory and inhibitory signals.

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Question 12

Multiple Choice

According to corollary discharge theory, movement is perceived when _____ .

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there is a disturbance in the global optic array

the comparator receives the corollary discharge signal and image displacement signal simultaneously

the comparator receives the corollary discharge signal alone or image displacement signal alone

the comparator finds dissimilarities between the local and global optic arrays

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Question 13

Multiple Choice

Which type of signal is sent from the brain to the eye muscles

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image displacement signal

ciliary signal

motor signal

comparator signal

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Question 14

Multiple Choice

The _____ signal is sent to other areas of the brain relaying the message that a signal has been sent from the motor cortex to the eye muscles. It is analogous to using the "cc" (copy) function in an email.

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image displacement

ciliary

motor

corollary discharge

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Question 15

Multiple Choice

Which of the following is true about the corollary discharge theory

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It can explain why you see a bird moving in flight when you are following it with your eyes.

It has much behavioral support, but no physiological support yet.

It has little behavioral support, but the comparator has been found in the IT cortex.

It can explain why an afterimage seems to be stationary as you move your eye to different fixation points.

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Question 16

Multiple Choice

An afterimage when viewed in the dark appears to move when you move your eyes. The corollary discharge theory predicts this because _____ .

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there is an IDS, but not a CDS

there is no IDS, but there is a CDS

there is no IDS and no CDS

there is both IDS and CDS

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Question 17

Multiple Choice

Percy is injected with a drug that paralyzes his eye muscles. When he is instructed to try to move his eye when looking a stationary scene, his brain is able to send a signal to his eye muscles but he is unable to move his eyes. As a result, he perceives _____ .

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no movement, because his eye muscles can't move

no movement, because the scene is stationary

movement, because there is a CDS and an IDS

movement, because there is a CDS, but not an IDS

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Question 18

Multiple Choice

Mira gently pushes on her eye with her finger. Because her eye muscles push against the force of her finger, which keeps the image in the same location, she perceives the visual scene _____ .

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to be jiggling

to be stationary

to have exaggerated depth

to be shrinking

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Question 19

Multiple Choice

R.W., the man who experienced vertigo when he moved his eyes, suffered cortical damage that eliminated _____ .

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corollary discharge signals

image movement signals

cortical magnification

binocular cell firing

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Question 20

Multiple Choice

The vertigo case of R.W. not only provided evidence for the corollary discharge theory, it revealed the importance of the _____ in producing CDS.

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MT area

PPA

STS

MST area

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Perceiving Motion

The patient L.M. (studied by Zihl, et al.) had cortical lesions that affected her motion perception. What was her condition called

The patient L.M. (studied by Zihl, et al.), who had cortical lesions that affected her motion perception, experienced

A mouse "freezes" when it sees a cat nearby. This assists the mouse's survival because being motionless reduces _____ .

Camouflage can be interpreted as a problem of _____ .

Movies are to _____ as the waterfall illusion is to _____ .

Our ability to perceive movement when reading "message boards" that are used in advertising is based on _____ .

Brian looks at the moon and some clouds at night. He perceives the moon moving through the clouds. This is an example of _____ .

Larsen et al. (2006) used fMRI to study the responses of the brain to real and apparent motion and found that _____ .

As Dore runs through the park, the flow signals that he is moving and not the environment. Gibson calls this _____ .

Tom is watching Terri walk across the room. According to Gibson, Tom perceives Terri _____ .

In addition to describing movement detection in terms of the environment, researchers have proposed different ways to detect movement from a physiological perspective. The Reichardt detector is one solution. Which of the following is the greatest weakness of the Reichardt detector

According to corollary discharge theory, movement is perceived when _____ .

Which type of signal is sent from the brain to the eye muscles

The _____ signal is sent to other areas of the brain relaying the message that a signal has been sent from the motor cortex to the eye muscles. It is analogous to using the "cc" (copy) function in an email.

Which of the following is true about the corollary discharge theory

An afterimage when viewed in the dark appears to move when you move your eyes. The corollary discharge theory predicts this because _____ .

Percy is injected with a drug that paralyzes his eye muscles. When he is instructed to try to move his eye when looking a stationary scene, his brain is able to send a signal to his eye muscles but he is unable to move his eyes. As a result, he perceives _____ .

Mira gently pushes on her eye with her finger. Because her eye muscles push against the force of her finger, which keeps the image in the same location, she perceives the visual scene _____ .

R.W., the man who experienced vertigo when he moved his eyes, suffered cortical damage that eliminated _____ .

The vertigo case of R.W. not only provided evidence for the corollary discharge theory, it revealed the importance of the _____ in producing CDS.

Movies are to _ as the waterfall illusion is to _ .