Question 1

Saccade amplitudes are increased by firing more motor neurons in relevant cranial nerves and by increasing the durations of their firing. Consistent with this model,

Accepted Answer

A)  Saccade peak velocities increase with saccade amplitudes 
B)  Saccade peak velocities decrease with saccade amplitudes 
C)  Saccade peak velocities do not vary with saccade amplitudes 
D)  Saccade peak velocities depend on how individuals pursue moving targets with their eyes 
A)  Saccade peak velocities increase with saccade amplitudes 
B)  Saccade peak velocities decrease with saccade amplitudes 
C)  Saccade peak velocities do not vary with saccade amplitudes 
D)  Saccade peak velocities depend on how individuals pursue moving targets with their eyes A

Question 2

Saccades are made in response to ________ errors, whereas smooth pursuit eye movements are made in response to ________ errors.

Accepted Answer

A)  Position, velocity 
B)  Velocity, position 
C)  Visual, nonvisual 
D)  Retinal stabilization, non-retinal stabilization 
A)  Position, velocity 
B)  Velocity, position 
C)  Visual, nonvisual 
D)  Retinal stabilization, non-retinal stabilization A

Question 3

Snow blindness is caused by

Accepted Answer

A)  Exposure to low temperatures 
B)  Photoreceptors getting homogeneous stimulation 
C)  Retinal freezing 
D)  Flaky nystagmus 
A)  Exposure to low temperatures 
B)  Photoreceptors getting homogeneous stimulation 
C)  Retinal freezing 
D)  Flaky nystagmus B

Question 4

Which type of eye movement is disjunctive rather than conjunctive?

Accepted Answer

A)  Saccades 
B)  Pursuit movements 
C)  Vergence 
D)  Nystagmus size 
A)  Saccades 
B)  Pursuit movements 
C)  Vergence 
D)  Nystagmus size

Question 5

A source of evidence that saccades and smooth eye movements are controlled by different neural controllers is that

Accepted Answer

A)  Saccades but not smooth eye movement are impaired in multiple sclerosis 
B)  Smooth eye movements but not saccades are impaired in multiple sclerosis 
C)  Saccades and smooth eye movement are both impaired in multiple sclerosis 
D)  Neither saccades nor smooth eye movement are impaired in multiple sclerosis 
A)  Saccades but not smooth eye movement are impaired in multiple sclerosis 
B)  Smooth eye movements but not saccades are impaired in multiple sclerosis 
C)  Saccades and smooth eye movement are both impaired in multiple sclerosis 
D)  Neither saccades nor smooth eye movement are impaired in multiple sclerosis

Question 6

Neural discharge properties closely linked to eye postions have

Accepted Answer

A)  Never been found 
B)  Been found in Brodman's area 3a, located near areas of somatosensory cortex that respond to touch on the face, mouth, and lips 
C)  Been found in the cerebellum 
D)  Been found in frontal eye fields 
A)  Never been found 
B)  Been found in Brodman's area 3a, located near areas of somatosensory cortex that respond to touch on the face, mouth, and lips 
C)  Been found in the cerebellum 
D)  Been found in frontal eye fields

Question 7

Pupil diameter changes in response to

Accepted Answer

A)  Illumination 
B)  Mental load 
C)  Interest 
D)  All of the above 
A)  Illumination 
B)  Mental load 
C)  Interest 
D)  All of the above

Question 8

Vergence eye movements are triggered by

Accepted Answer

A)  Seeing eye to eye with another person 
B)  Retinal disparity and detection of blurriness 
C)  Retinal disparity but not detection of blurriness 
D)  Detection of blurriness but not retinal disparity 
A)  Seeing eye to eye with another person 
B)  Retinal disparity and detection of blurriness 
C)  Retinal disparity but not detection of blurriness 
D)  Detection of blurriness but not retinal disparity

Question 9

Visually fixating and tracking a moving target improves through age

Accepted Answer

A)  4-5 years 
B)  6-8 years 
C)  9-12 years 
D)  13-17 years 
A)  4-5 years 
B)  6-8 years 
C)  9-12 years 
D)  13-17 years

Question 10

The reason we don't notice the darkening of the visual world when we blink may be because corollary discharge signals the visual centers to discount such darkening when blinks occur. In support of this hypothesis, it has been found that

Accepted Answer

A)  Sensitivity to light is heightened around the time of a blink 
B)  Sensitivity to light is reduced around the time of a blink 
C)  Sensitivity to light is unaffected around the time of a blink 
D)  Sensitivity of the ciliary muscles changes around the time of a blink 
A)  Sensitivity to light is heightened around the time of a blink 
B)  Sensitivity to light is reduced around the time of a blink 
C)  Sensitivity to light is unaffected around the time of a blink 
D)  Sensitivity of the ciliary muscles changes around the time of a blink

Question 11

Each gaze direction has a unique pitch, roll, and yaw of the eyeball. This principle is known as

Accepted Answer

A)  Efferent Copy 
B)  Listing's Law 
C)  Donders' Law 
D)  None of the above 
A)  Efferent Copy 
B)  Listing's Law 
C)  Donders' Law 
D)  None of the above

Question 12

Unlike the superior colliculus, the posterior parietal cortex

Accepted Answer

A)  Shows increased activity prior to saccades to targets but not prior to hand movements to those same targets 
B)  Shows increased activity prior to hand movements to targets but not prior to saccades to those same targets 
C)  Shows increased activity prior to saccades to targets and prior to hand movements to those same targets 
D)  Is involved in the control of eye movements 
A)  Shows increased activity prior to saccades to targets but not prior to hand movements to those same targets 
B)  Shows increased activity prior to hand movements to targets but not prior to saccades to those same targets 
C)  Shows increased activity prior to saccades to targets and prior to hand movements to those same targets 
D)  Is involved in the control of eye movements

Question 13

As concerns the eye, drifts, tremors, and microsaccades

Accepted Answer

A)  Are miniature eye movements, all of which are voluntary 
B)  Are miniature eye movements, some of which are voluntary 
C)  Are miniature eye movements, none of which is voluntary 
D)  Are all signs of syphilis 
A)  Are miniature eye movements, all of which are voluntary 
B)  Are miniature eye movements, some of which are voluntary 
C)  Are miniature eye movements, none of which is voluntary 
D)  Are all signs of syphilis

Question 14

Based on research described in the Looking chapter, which of the following would be most likely to be useful to people in law enforcement who wish to reveal whether someone recognizes someone else

Accepted Answer

A)  Show that the individual looks longer at a familiar face that at unfamiliar faces, all else being equal 
B)  Show that the individual uses smoother visual pursuit movements when visually tracking a familiar face than an unfamiliar face, all else being equal 
C)  Show that the individual exhibits more tremor when shown a familiar face than an unfamiliar face, all else being equal 
D)  Measure the OKN 
A)  Show that the individual looks longer at a familiar face that at unfamiliar faces, all else being equal 
B)  Show that the individual uses smoother visual pursuit movements when visually tracking a familiar face than an unfamiliar face, all else being equal 
C)  Show that the individual exhibits more tremor when shown a familiar face than an unfamiliar face, all else being equal 
D)  Measure the OKN

Question 15

Outflow theory says

Accepted Answer

A)  Efferent commands flow out from motor neurons 
B)  Afferent commands flow out from sensory receptors 
C)  Copies of efferent commands are used to cancel perceptual inputs 
D)  Copies of afferent signals are used to cancel perceptual inputs 
A)  Efferent commands flow out from motor neurons 
B)  Afferent commands flow out from sensory receptors 
C)  Copies of efferent commands are used to cancel perceptual inputs 
D)  Copies of afferent signals are used to cancel perceptual inputs

Question 16

The labyrinths of the inner ear play a critical role in

Accepted Answer

A)  Coordinative structures 
B)  Optokinetic nystagmus 
C)  The vestibular-ocular reflex VOR 
D)  Maze learning 
A)  Coordinative structures 
B)  Optokinetic nystagmus 
C)  The vestibular-ocular reflex VOR 
D)  Maze learning

Question 17

Saccadic suppression is

Accepted Answer

A)  Stopping a saccade before it would normally occur 
B)  Stopping a saccade while it is occurring 
C)  Seeing less during saccades than during visual fixations 
D)  None of the above 
A)  Stopping a saccade before it would normally occur 
B)  Stopping a saccade while it is occurring 
C)  Seeing less during saccades than during visual fixations 
D)  None of the above

Question 18

Saccades

Accepted Answer

A)  Are always straight 
B)  Are always curved 
C)  Are mostly straight but can be curved when visual targets are moved experimentally while initial saccades are under way 
D)  Are straight or curved depending on how bright the surroundings are 
A)  Are always straight 
B)  Are always curved 
C)  Are mostly straight but can be curved when visual targets are moved experimentally while initial saccades are under way 
D)  Are straight or curved depending on how bright the surroundings are

Question 19

Any pair of extra-ocular muscles can work as agonists, promoting motion in a common direction, or as antagonists, promoting motions in opposite directions. The basis for this statement is that

Accepted Answer

A)  The two eyes can exhibit conjugate movements but not disjunctive movements 
B)  The two eyes can exhibit disjunctive movements but not conjugate movements 
C)  The two eyes cannot exhibit conjugate movements or disjunctive movements 
D)  None of the above 
A)  The two eyes can exhibit conjugate movements but not disjunctive movements 
B)  The two eyes can exhibit disjunctive movements but not conjugate movements 
C)  The two eyes cannot exhibit conjugate movements or disjunctive movements 
D)  None of the above

Question 20

Rapid alternation between saccades and smooth pursuit eye movements occurs in

Accepted Answer

A)  Drifts 
B)  Optokinetic nystagmus 
C)  Microsaccades 
D)  None of the above 
A)  Drifts 
B)  Optokinetic nystagmus 
C)  Microsaccades 
D)  None of the above

Saccade amplitudes are increased by firing more motor neurons in relevant cranial nerves and by increasing the durations of their firing. Consistent with this model,

Saccades are made in response to errors, whereas smooth pursuit eye movements are made in response to errors.

Snow blindness is caused by

Which type of eye movement is disjunctive rather than conjunctive?

A source of evidence that saccades and smooth eye movements are controlled by different neural controllers is that

Neural discharge properties closely linked to eye postions have

Pupil diameter changes in response to

Vergence eye movements are triggered by

Visually fixating and tracking a moving target improves through age

The reason we don't notice the darkening of the visual world when we blink may be because corollary discharge signals the visual centers to discount such darkening when blinks occur. In support of this hypothesis, it has been found that

Each gaze direction has a unique pitch, roll, and yaw of the eyeball. This principle is known as

Unlike the superior colliculus, the posterior parietal cortex

As concerns the eye, drifts, tremors, and microsaccades

Based on research described in the Looking chapter, which of the following would be most likely to be useful to people in law enforcement who wish to reveal whether someone recognizes someone else

Outflow theory says

The labyrinths of the inner ear play a critical role in

Saccadic suppression is

Saccades

Any pair of extra-ocular muscles can work as agonists, promoting motion in a common direction, or as antagonists, promoting motions in opposite directions. The basis for this statement is that

Rapid alternation between saccades and smooth pursuit eye movements occurs in

Introduction

Core Problems

Physiological Foundations

Psychological Foundations

Walking

Reaching

Drawing and Writing

Keyboarding

Speaking and Singing

Smiling

Moving on

Filters

Exam 6: Looking

Saccade amplitudes are increased by firing more motor neurons in relevant cranial nerves and by increasing the durations of their firing. Consistent with this model,

Saccades are made in response to ________ errors, whereas smooth pursuit eye movements are made in response to ________ errors.

Snow blindness is caused by

Which type of eye movement is disjunctive rather than conjunctive?

A source of evidence that saccades and smooth eye movements are controlled by different neural controllers is that

Neural discharge properties closely linked to eye postions have

Pupil diameter changes in response to

Vergence eye movements are triggered by

Visually fixating and tracking a moving target improves through age

The reason we don't notice the darkening of the visual world when we blink may be because corollary discharge signals the visual centers to discount such darkening when blinks occur. In support of this hypothesis, it has been found that

Each gaze direction has a unique pitch, roll, and yaw of the eyeball. This principle is known as

Unlike the superior colliculus, the posterior parietal cortex

As concerns the eye, drifts, tremors, and microsaccades

Based on research described in the Looking chapter, which of the following would be most likely to be useful to people in law enforcement who wish to reveal whether someone recognizes someone else

Outflow theory says

The labyrinths of the inner ear play a critical role in

Saccadic suppression is

Saccades

Any pair of extra-ocular muscles can work as agonists, promoting motion in a common direction, or as antagonists, promoting motions in opposite directions. The basis for this statement is that

Rapid alternation between saccades and smooth pursuit eye movements occurs in

Introduction

Core Problems

Physiological Foundations

Psychological Foundations

Walking

Reaching

Drawing and Writing

Keyboarding

Speaking and Singing

Smiling

Moving on

Filters

Saccades are made in response to errors, whereas smooth pursuit eye movements are made in response to errors.