Question 1

The "focus of expansion" informs you of the direction

Accepted Answer

A)   in which you are looking.
B)   in which you are moving.
C)   from which you came.
D)   of the largest object in your visual field.
E)   of the smallest object in your visual field.

Question 2

The motion we interpret as people moving around from a few animated dots is called _______ motion.

Accepted Answer

A)   apparent
B)   induced
C)   real
D)   biological
E)   ambiguous D

Question 3

What is the "aperture problem"?

Accepted Answer

A)   We cannot perceive motion seen through apertures.
B)   We cannot perceive forms seen through apertures.
C)   Global edge motion seen through several apertures is ambiguous.
D)   Local edge motion seen through a single aperture is ambiguous.
E)   We perceive all motion seen through an aperture as horizontal motion.

Question 4

Which statement about the development of motion perception in humans is false?

Accepted Answer

A)   Reflexive eye movements to moving targets are present in newborns.
B)   V1 neurons in newborns have adult-like sensitivity.
C)   Sensitivity to global motion matures at about 3-4 years of age.
D)   Sensitivity to visual motion is fully developed at birth.
E)   Sensitivity to motion-defined form and biological motion takes more than three years to develop.

Question 5

Refer to the figure.
 The M unit would best respond to a(n)  _______ direction of motion.

Accepted Answer

A)   upward
B)   downward
C)   leftward
D)   rightward
E)   diagonal D

Question 6

A _______-defined object is one that is delineated by differences in reflected light.

Accepted Answer

A)   contrast
B)   texture
C)   luminance
D)   color
E)   hue

Question 7

_______ is a rare neuropsychological disorder in which the affected individual has no perception of motion.

Accepted Answer

A)   Akinetopsia
B)   Motion agnosia
C)   Motion blindness
D)   Prosopagnosia
E)   Hyperopia

Question 8

Refer to the figure.
 This is an example of _______, which is the changing angular position of points in an image that one experiences as they move through the world.

Accepted Answer

A)   an optic flow field
B)   a positional change
C)   an optic array
D)   motion perspective
E)   tau

Question 9

Imagine that you are at Niagara Falls, staring at the falling water for a few minutes. When you look away from the water at the crowd of people, the people seem to be floating upward. What phenomenon have you just experienced?

Accepted Answer

A)   Akinetopsia
B)   Tau
C)   Focus of expansion
D)   Vergence eye movements
E)   Motion aftereffect

Question 10

The reduction of visual sensitivity that occurs when we make saccadic eye movements is called

Accepted Answer

A)   attentional blink.
B)   vigilance decrement.
C)   saccadic enhancement.
D)   saccadic suppression.
E)   saccadic blindness.

Question 11

What is the difference between first-order and second-order motion?

Accepted Answer

First-order motion is the motion of an o...

Question 12

An area of the visual system that receives one copy of the order issued by the motor system when the eyes move is called

Accepted Answer

A)   a comparator.
B)   the superior colliculus.
C)   the caudal midbrain.
D)   the parietal lobe.
E)   the cerebellum.

Question 13

What is the difference between smooth pursuit and saccadic eye movements?

Accepted Answer

A smooth pursuit eye movement is a volun...

Question 14

Why is the middle temporal area (MT) important for motion perception, and how has it been studied?

Accepted Answer

MT appears to be the area of brain where...

Question 15

Refer to the figure.
 The image on the right illustrates

Accepted Answer

A)   the role of the comparator.
B)   saccadic suppression.
C)   a pattern of eye movements.
D)   the phenomenon known as vergence.
E)   points of binocular disparity. C

Question 16

A field of globally moving dots can make stationary targets in the periphery seem to disappear in a phenomenon known as

Accepted Answer

A)   motion aftereffect.
B)   motion-induced sensitivity.
C)   motion-induced blindness.
D)   saccadic suppression.
E)   correlated dot motion.

Question 17

In the Newsome and Pare paradigm, an observer's task is to

Accepted Answer

A)   determine whether or not motion is observed.
B)   experience a motion aftereffect.
C)   identify the direction of motion of the correlated dots.
D)   trace moving dots.
E)   perceive the dots as a moving person.

Question 18

During smooth pursuit, the eyes move

Accepted Answer

A)   steadily, to follow a moving object.
B)   rapidly, while jumping from one object to the next.
C)   independently.
D)   with the head.
E)   to the smoothest part of an object.

Question 19

A(n)  _______ eye movement rapidly changes fixation from one object or location to another.

Accepted Answer

A)   tracking
B)   saccade
C)   smooth pursuit
D)   scan
E)   adapting

Question 20

_______ describes the changing angular positions of points in a perspective image that we experience as we move through the world.

Accepted Answer

A)   Biological motion
B)   First-order motion
C)   Optic flow
D)   Second-order motion
E)   Apparent motion

Exam 8: Visual Motion Perception

The "focus of expansion" informs you of the direction

Correct AnswerverifiedShow Answer

The motion we interpret as people moving around from a few animated dots is called _______ motion.

Correct AnswerverifiedD

What is the "aperture problem"?

Correct AnswerverifiedShow Answer

Which statement about the development of motion perception in humans is false?

Correct AnswerverifiedShow Answer

Refer to the figure. The M unit would best respond to a(n) _______ direction of motion.

Correct AnswerverifiedD

A _______-defined object is one that is delineated by differences in reflected light.

Correct AnswerverifiedShow Answer

_______ is a rare neuropsychological disorder in which the affected individual has no perception of motion.

Correct AnswerverifiedShow Answer

Refer to the figure. This is an example of _______, which is the changing angular position of points in an image that one experiences as they move through the world.

Correct AnswerverifiedShow Answer

Imagine that you are at Niagara Falls, staring at the falling water for a few minutes. When you look away from the water at the crowd of people, the people seem to be floating upward. What phenomenon have you just experienced?

Correct AnswerverifiedShow Answer

The reduction of visual sensitivity that occurs when we make saccadic eye movements is called

Correct AnswerverifiedShow Answer

What is the difference between first-order and second-order motion?

Correct AnswerverifiedFirst-order motion is the motion of an o...View AnswerShow Answer

An area of the visual system that receives one copy of the order issued by the motor system when the eyes move is called

Correct AnswerverifiedShow Answer

What is the difference between smooth pursuit and saccadic eye movements?

Correct AnswerverifiedA smooth pursuit eye movement is a volun...View AnswerShow Answer

Why is the middle temporal area (MT) important for motion perception, and how has it been studied?

Correct AnswerverifiedMT appears to be the area of brain where...View AnswerShow Answer

Refer to the figure. The image on the right illustrates

Correct AnswerverifiedC

A field of globally moving dots can make stationary targets in the periphery seem to disappear in a phenomenon known as

Correct AnswerverifiedShow Answer

In the Newsome and Pare paradigm, an observer's task is to

Correct AnswerverifiedShow Answer

During smooth pursuit, the eyes move

Correct AnswerverifiedShow Answer

A(n) _______ eye movement rapidly changes fixation from one object or location to another.

Correct AnswerverifiedShow Answer

_______ describes the changing angular positions of points in a perspective image that we experience as we move through the world.

Correct AnswerverifiedShow Answer

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D

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First-order motion is the motion of an o...
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A smooth pursuit eye movement is a volun...
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MT appears to be the area of brain where...
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C

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