Question 1

Scott uses the Snellen eye chart and discovers that his eyesight is 20/100. This means that:

Accepted Answer

A)  he would have to be at 20 feet to read what someone with normal vision could read at 100 feet 
B)  he could stand as far back as 100 feet to read what someone with normal vision could read at 20 feet 
C)  the visual angle of the eye chart is 20° 
D)  his vision is equal to that of 1/5 of the population 
A)  he would have to be at 20 feet to read what someone with normal vision could read at 100 feet 
B)  he could stand as far back as 100 feet to read what someone with normal vision could read at 20 feet 
C)  the visual angle of the eye chart is 20° 
D)  his vision is equal to that of 1/5 of the population

Question 2

Involuntary eye movements serve to:

Accepted Answer

A)  create constant change on the photoreceptors 
B)  keep us alert and awake 
C)  counteract head movements 
D)  increase awareness of the environment 
A)  create constant change on the photoreceptors 
B)  keep us alert and awake 
C)  counteract head movements 
D)  increase awareness of the environment

Question 3

Information across saccades is linked together via:

Accepted Answer

A)  saccadic suppression 
B)  transsaccadic integration 
C)  fixation pauses 
D)  transfixation integration 
A)  saccadic suppression 
B)  transsaccadic integration 
C)  fixation pauses 
D)  transfixation integration

Question 4

Which of the following statements about convergence is TRUE?

Accepted Answer

A)  it is influenced by illusory distance 
B)  it is a method rarely used by people with normal vision 
C)  it inhibits the ability to see faces 
D)  it causes the eyes to move away from one another 
A)  it is influenced by illusory distance 
B)  it is a method rarely used by people with normal vision 
C)  it inhibits the ability to see faces 
D)  it causes the eyes to move away from one another

Question 5

The main problem with the Snellen eye chart is that:

Accepted Answer

A)  it can measure whether an individual is hypermetropic, but not if they are myopic 
B)  it requires letter identification skills 
C)  it does not have any practical significance 
D)  it is very time-consuming to administer 
A)  it can measure whether an individual is hypermetropic, but not if they are myopic 
B)  it requires letter identification skills 
C)  it does not have any practical significance 
D)  it is very time-consuming to administer

Question 6

Another term for someone who is nearsighted is:

Accepted Answer

A)  presbyopic 
B)  achromatic 
C)  hypermetropic 
D)  myopic 
A)  presbyopic 
B)  achromatic 
C)  hypermetropic 
D)  myopic

Question 7

Saccadic suppression refers to the fact that:

Accepted Answer

A)  the speed of saccadic eye movements is slowed compared to other eye movements 
B)  the ciliary muscles tire easily when making saccadic eye movements 
C)  we do not extract visual information during a saccadic eye movement 
D)  saccadic eye movements are rarely used 
A)  the speed of saccadic eye movements is slowed compared to other eye movements 
B)  the ciliary muscles tire easily when making saccadic eye movements 
C)  we do not extract visual information during a saccadic eye movement 
D)  saccadic eye movements are rarely used

Question 8

Acuity is greatest at the center of the fovea because:

Accepted Answer

A)  the number of cones is great and each photoreceptor gets its own ganglion cell 
B)  the number of rods is great and each photoreceptor gets its own ganglion cell 
C)  the number of cones is great and more photoreceptors are connected to each ganglion cell 
D)  the number of rods is great and more photoreceptors are connected to each ganglion cell 
A)  the number of cones is great and each photoreceptor gets its own ganglion cell 
B)  the number of rods is great and each photoreceptor gets its own ganglion cell 
C)  the number of cones is great and more photoreceptors are connected to each ganglion cell 
D)  the number of rods is great and more photoreceptors are connected to each ganglion cell

Question 9

A Ganzfeld is:

Accepted Answer

A)  a visual stimulus without color 
B)  a visual stimulus without light 
C)  a visual stimulus without edges 
D)  a visual stimulus without motion 
A)  a visual stimulus without color 
B)  a visual stimulus without light 
C)  a visual stimulus without edges 
D)  a visual stimulus without motion

Question 10

Which of the following statements about reading is NOT true?

Accepted Answer

A)  Saccades typically bring our eyes 6-9 characters to the right. 
B)  We are able to extract useful information about the text that is to the right of the fovea. 
C)  Reading jumbled text is just as easy as reading normal text. 
D)  We usually land just to the left of the center of a word. 
A)  Saccades typically bring our eyes 6-9 characters to the right. 
B)  We are able to extract useful information about the text that is to the right of the fovea. 
C)  Reading jumbled text is just as easy as reading normal text. 
D)  We usually land just to the left of the center of a word.

Question 11

The actual physical percentage of light reflected by a surface is called:

Accepted Answer

A)  constancy 
B)  albedo 
C)  brightness 
D)  lightness 
A)  constancy 
B)  albedo 
C)  brightness 
D)  lightness

Question 12

Hannah is looking at a pencil lying on the desk. The __________________ is the distal stimulus while the __________________ is the proximal stimulus.

Accepted Answer

A)  pencil; light reflected from the pencil and projected onto the retina 
B)  pencil; desk 
C)  desk; pencil 
D)  light reflected from the pencil and projected onto the retina; Pencil 
A)  pencil; light reflected from the pencil and projected onto the retina 
B)  pencil; desk 
C)  desk; pencil 
D)  light reflected from the pencil and projected onto the retina; Pencil

Question 13

Our ability to see fine details in a scene or in text is our:

Accepted Answer

A)  visual angle 
B)  visual acuity 
C)  visual constancy 
D)  visual accommodation 
A)  visual angle 
B)  visual acuity 
C)  visual constancy 
D)  visual accommodation

Question 14

Cases of blind individuals who have acquired the ability to see later in life indicate that:

Accepted Answer

A)  experience plays little role in visual perception 
B)  basic visual abilities are able to be acquired but complex visual tasks cannot be 
C)  color perception develops quickly but face perception takes more time to learn 
D)  both A and B 
A)  experience plays little role in visual perception 
B)  basic visual abilities are able to be acquired but complex visual tasks cannot be 
C)  color perception develops quickly but face perception takes more time to learn 
D)  both A and B

Question 15

The umpire behind home plate carefully watches as the baseball leaves the pitcher's hand and moves closer to him. As the ball travels toward home plate:

Accepted Answer

A)  the umpire uses vergence eye movements and the visual angle of the ball increases 
B)  the umpire uses vergence eye movements and the visual angle of the ball decreases 
C)  the umpire uses version eye movements and the visual angle of the ball increases 
D)  the umpire uses version eye movements and the visual angle of the ball decreases 
A)  the umpire uses vergence eye movements and the visual angle of the ball increases 
B)  the umpire uses vergence eye movements and the visual angle of the ball decreases 
C)  the umpire uses version eye movements and the visual angle of the ball increases 
D)  the umpire uses version eye movements and the visual angle of the ball decreases

Question 16

Why isn't the blind spot on our retina noticeable as we observe the world around us?

Accepted Answer

A)  It is too small to make a physical difference. 
B)  Our visual system fills in the missing information. 
C)  Microsaccades move our eyes rapidly so that it the blind spot goes undetected. 
D)  none of the above 
A)  It is too small to make a physical difference. 
B)  Our visual system fills in the missing information. 
C)  Microsaccades move our eyes rapidly so that it the blind spot goes undetected. 
D)  none of the above

Question 17

A blind spot is:

Accepted Answer

A)  always perceived as a black spot in your visual field where there is no image 
B)  filled in with a reconstruction of the image surrounding it, whether the pattern is complex or simple 
C)  filled in with a reconstruction of the image surrounding it only when then pattern is simple 
D)  filled in independent of the image surrounding it by being replaced with a white gap 
A)  always perceived as a black spot in your visual field where there is no image 
B)  filled in with a reconstruction of the image surrounding it, whether the pattern is complex or simple 
C)  filled in with a reconstruction of the image surrounding it only when then pattern is simple 
D)  filled in independent of the image surrounding it by being replaced with a white gap

Question 18

Saccadic eye movements are necessary to:

Accepted Answer

A)  bring the lens into position over objects of interest 
B)  exercise the ciliary muscles and keep them flexible 
C)  bring the fovea into position over objects of interest 
D)  all of the above 
A)  bring the lens into position over objects of interest 
B)  exercise the ciliary muscles and keep them flexible 
C)  bring the fovea into position over objects of interest 
D)  all of the above

Question 19

Lateral inhibition:

Accepted Answer

A)  only occurs in the human retina 
B)  only occurs in the retina of the horseshoe crab 
C)  aids in the perception of color 
D)  aids in the perception of edges 
A)  only occurs in the human retina 
B)  only occurs in the retina of the horseshoe crab 
C)  aids in the perception of color 
D)  aids in the perception of edges

Question 20

Your perception that the white sheet on your bed appears to be white in the morning and evening when lighting conditions are dim as well as at noontime when lighting conditions are very bright is due to the fact that:

Accepted Answer

A)  the albedo of the sheet is constant throughout the day 
B)  the absolute amount of light energy from the sheet that falls on the retina is constant 
C)  the sheet reflects the same amount of light at all hours 
D)  we rely on the lightness constancy to determine lightness 
A)  the albedo of the sheet is constant throughout the day 
B)  the absolute amount of light energy from the sheet that falls on the retina is constant 
C)  the sheet reflects the same amount of light at all hours 
D)  we rely on the lightness constancy to determine lightness

Scott uses the Snellen eye chart and discovers that his eyesight is 20/100. This means that:

Involuntary eye movements serve to:

Information across saccades is linked together via:

Which of the following statements about convergence is TRUE?

The main problem with the Snellen eye chart is that:

Another term for someone who is nearsighted is:

Saccadic suppression refers to the fact that:

Acuity is greatest at the center of the fovea because:

A Ganzfeld is:

Which of the following statements about reading is NOT true?

The actual physical percentage of light reflected by a surface is called:

Hannah is looking at a pencil lying on the desk. The is the distal stimulus while the is the proximal stimulus.

Our ability to see fine details in a scene or in text is our:

Cases of blind individuals who have acquired the ability to see later in life indicate that:

The umpire behind home plate carefully watches as the baseball leaves the pitcher's hand and moves closer to him. As the ball travels toward home plate:

Why isn't the blind spot on our retina noticeable as we observe the world around us?

A blind spot is:

Saccadic eye movements are necessary to:

Lateral inhibition:

Your perception that the white sheet on your bed appears to be white in the morning and evening when lighting conditions are dim as well as at noontime when lighting conditions are very bright is due to the fact that:

Introduction

Research Methods

The Visual System

Visual Pattern Perception

Distance and Size Perception

Color

Motion

The Auditory System

Basic Auditory Functions

Auditory Pattern Perception

The Skin Senses

The Chemical Senses: Taste and Smell

Perceptual Development

Filters

Exam 4: Basic Visual Functions

Scott uses the Snellen eye chart and discovers that his eyesight is 20/100. This means that:

Involuntary eye movements serve to:

Information across saccades is linked together via:

Which of the following statements about convergence is TRUE?

The main problem with the Snellen eye chart is that:

Another term for someone who is nearsighted is:

Saccadic suppression refers to the fact that:

Acuity is greatest at the center of the fovea because:

A Ganzfeld is:

Which of the following statements about reading is NOT true?

The actual physical percentage of light reflected by a surface is called:

Hannah is looking at a pencil lying on the desk. The __________________ is the distal stimulus while the __________________ is the proximal stimulus.

Our ability to see fine details in a scene or in text is our:

Cases of blind individuals who have acquired the ability to see later in life indicate that:

The umpire behind home plate carefully watches as the baseball leaves the pitcher's hand and moves closer to him. As the ball travels toward home plate:

Why isn't the blind spot on our retina noticeable as we observe the world around us?

A blind spot is:

Saccadic eye movements are necessary to:

Lateral inhibition:

Your perception that the white sheet on your bed appears to be white in the morning and evening when lighting conditions are dim as well as at noontime when lighting conditions are very bright is due to the fact that:

Introduction

Research Methods

The Visual System

Visual Pattern Perception

Distance and Size Perception

Color

Motion

The Auditory System

Basic Auditory Functions

Auditory Pattern Perception

The Skin Senses

The Chemical Senses: Taste and Smell

Perceptual Development

Filters

Hannah is looking at a pencil lying on the desk. The is the distal stimulus while the is the proximal stimulus.