Question 1

Which observation constituted evidence for the process of opponent color representation?

Accepted Answer

A)  Colors observed in the afterimages are the other member of the opponent color pairs. 
B)  Colors often appear to be mixtures of two opponent colors but never appear to be mixtures of two nonopponent colors. 
C)  People sort a stack of differently colored cards into three piles-red, green, and blue. 
D)  Ewald Hering discovered a fourth cone type (for yellow wavelength) using retinal densitometry. 
A)  Colors observed in the afterimages are the other member of the opponent color pairs. 
B)  Colors often appear to be mixtures of two opponent colors but never appear to be mixtures of two nonopponent colors. 
C)  People sort a stack of differently colored cards into three piles-red, green, and blue. 
D)  Ewald Hering discovered a fourth cone type (for yellow wavelength) using retinal densitometry. A

Question 2

According to the text, a color called reddish green CANNOT be imagined because:

Accepted Answer

A)  red and green are two nonopponent colors. 
B)  red and green are both nonprimary colors. 
C)  red and green are two opponent colors. 
D)  red and green respond to the same cone photopigment. 
A)  red and green are two nonopponent colors. 
B)  red and green are both nonprimary colors. 
C)  red and green are two opponent colors. 
D)  red and green respond to the same cone photopigment. C

Question 3

With an additive color mixture, mixing red and green light on a white surface produces:

Accepted Answer

A)  blue. 
B)  red. 
C)  white. 
D)  yellow. 
A)  blue. 
B)  red. 
C)  white. 
D)  yellow. D

Question 4

Which statement is TRUE regarding trichromatic color representation?

Accepted Answer

A)  The three cone types limit the creation and perception of all the colors associated with wavelengths in the visible spectrum. 
B)  The three cone types have the same spectral sensitivity function that spans part of the visible spectrum. 
C)  The amount of light at every wavelength at every point in the retina can be measured. 
D)  Many pairs of lights that are physically different in their wavelength composition are perceived as identical. 
A)  The three cone types limit the creation and perception of all the colors associated with wavelengths in the visible spectrum. 
B)  The three cone types have the same spectral sensitivity function that spans part of the visible spectrum. 
C)  The amount of light at every wavelength at every point in the retina can be measured. 
D)  Many pairs of lights that are physically different in their wavelength composition are perceived as identical.

Question 5

Digital color video displays such as digital television and computer screens use _____ mixtures of three primary colors.

Accepted Answer

A)  complementary 
B)  subtractive 
C)  additive 
D)  supplementary 
A)  complementary 
B)  subtractive 
C)  additive 
D)  supplementary

Question 6

The technique of pointillist painting was adopted to:

Accepted Answer

A)  avoid the dimming effect of subtractive color mixtures. 
B)  avoid the dimming effect of additive color mixtures. 
C)  highlight the brushstrokes of the painters. 
D)  expand the range of colors by using synthetic pigments. 
A)  avoid the dimming effect of subtractive color mixtures. 
B)  avoid the dimming effect of additive color mixtures. 
C)  highlight the brushstrokes of the painters. 
D)  expand the range of colors by using synthetic pigments.

Question 7

_____ are any two stimuli that are physically different but perceived as identical.

Accepted Answer

A)  Metamers 
B)  Isomers 
C)  Phosphenes 
D)  Pixels 
A)  Metamers 
B)  Isomers 
C)  Phosphenes 
D)  Pixels

Question 8

The perceived color of an object depends on:

Accepted Answer

A)  how it absorbs light. 
B)  how it transmits light. 
C)  the brightness of the light source. 
D)  the SPD of the light source. 
A)  how it absorbs light. 
B)  how it transmits light. 
C)  the brightness of the light source. 
D)  the SPD of the light source.

Question 9

A 650-nm light would be perceived as _____, while a 550-nm light would appear _____.

Accepted Answer

A)  blue; green 
B)  red; blue 
C)  green; yellow 
D)  red; green 
A)  blue; green 
B)  red; blue 
C)  green; yellow 
D)  red; green

Question 10

White light is also called _____ light.

Accepted Answer

A)  achromatic 
B)  dichromatic 
C)  monochromatic 
D)  trichromatic 
A)  achromatic 
B)  dichromatic 
C)  monochromatic 
D)  trichromatic

Question 11

Which statement is TRUE regarding rod monochromats?

Accepted Answer

A)  They have no rods and must rely only on cone vision. 
B)  About 0.002 percent of the population is suffering from rod monochromacy. 
C)  Only certain colors can be perceived by rod monochromats. 
D)  They have low sensitivity toward bright glaring lights. 
A)  They have no rods and must rely only on cone vision. 
B)  About 0.002 percent of the population is suffering from rod monochromacy. 
C)  Only certain colors can be perceived by rod monochromats. 
D)  They have low sensitivity toward bright glaring lights.

Question 12

Going clockwise around the color circle, wavelength increases as you go from blue (450 nm) to cyan (500 nm), to green (550 nm), and so on. In between red (650 nm) and blue however, lies a quadrant of nonspectral purples. Are the wavelengths of these purples below 450 nm, above 650 nm, or something else altogether?

Accepted Answer

Nonspectral purples are so named because

Question 13

_____ is an experimental technique where a person cancels out any perception of a particular color in a test light by adding light of another color.

Accepted Answer

A)  Metameric color matching 
B)  Color assimilation 
C)  Photopigment bleaching 
D)  Hue cancellation 
A)  Metameric color matching 
B)  Color assimilation 
C)  Photopigment bleaching 
D)  Hue cancellation

Question 14

Julie is making slime with her kids. She starts with white, and in order to create green slime, she adds blue and yellow food coloring. This process of creating green is called _____ color mixing.

Accepted Answer

A)  subtractive 
B)  additive 
C)  metameric 
D)  complementary 
A)  subtractive 
B)  additive 
C)  metameric 
D)  complementary

Question 15

In the image given below, squares _____ reflect the same physical intensity of light.

Accepted Answer

A)  A and B 
B)  A and C 
C)  B and C 
D)  A, B, and C 
A)  A and B 
B)  A and C 
C)  B and C 
D)  A, B, and C

Question 16

The _____ explains why night vision is color-blind.

Accepted Answer

A)  opponent color representation 
B)  principle of univariance 
C)  concept of additive mixtures 
D)  hue-cancellation technique 
A)  opponent color representation 
B)  principle of univariance 
C)  concept of additive mixtures 
D)  hue-cancellation technique

Question 17

How many monochromatic comparison lights do people with normal color vision require to match an arbitrary monochromatic test light?

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
A)  one 
B)  two 
C)  three 
D)  four

Question 18

_____ is the tendency to see a surface as having the same color under illumination by lights with different spectral power distributions.

Accepted Answer

A)  Color assimilation 
B)  Color constancy 
C)  Lightness constancy 
D)  Light contrast 
A)  Color assimilation 
B)  Color constancy 
C)  Lightness constancy 
D)  Light contrast

Question 19

_____ is an intrinsic property that typically does not change, whereas the _____ of the light reflected from an object changes whenever the illumination changes.

Accepted Answer

A)  Reflectance; SPD 
B)  SPD; reflectance 
C)  Wavelength; reflectance 
D)  Intensity; polarization 
A)  Reflectance; SPD 
B)  SPD; reflectance 
C)  Wavelength; reflectance 
D)  Intensity; polarization

Question 20

With regard to cones, the principle of univariance states that the absorption of one photon of light results in:

Accepted Answer

A)  a varied response, depending on the intensity of light. 
B)  the same response, regardless of the wavelength of light. 
C)  a varied response, depending on the wavelength of light. 
D)  the same response, regardless of the intensity of light. 
A)  a varied response, depending on the intensity of light. 
B)  the same response, regardless of the wavelength of light. 
C)  a varied response, depending on the wavelength of light. 
D)  the same response, regardless of the intensity of light.

Which observation constituted evidence for the process of opponent color representation?

According to the text, a color called reddish green CANNOT be imagined because:

With an additive color mixture, mixing red and green light on a white surface produces:

Which statement is TRUE regarding trichromatic color representation?

Digital color video displays such as digital television and computer screens use _____ mixtures of three primary colors.

The technique of pointillist painting was adopted to:

_____ are any two stimuli that are physically different but perceived as identical.

The perceived color of an object depends on:

A 650-nm light would be perceived as _, while a 550-nm light would appear _.

White light is also called _____ light.

Which statement is TRUE regarding rod monochromats?

_____ is an experimental technique where a person cancels out any perception of a particular color in a test light by adding light of another color.

Julie is making slime with her kids. She starts with white, and in order to create green slime, she adds blue and yellow food coloring. This process of creating green is called _____ color mixing.

In the image given below, squares _____ reflect the same physical intensity of light.

The _____ explains why night vision is color-blind.

How many monochromatic comparison lights do people with normal color vision require to match an arbitrary monochromatic test light?

_____ is the tendency to see a surface as having the same color under illumination by lights with different spectral power distributions.

_ is an intrinsic property that typically does not change, whereas the _ of the light reflected from an object changes whenever the illumination changes.

With regard to cones, the principle of univariance states that the absorption of one photon of light results in:

Foundations

Light and the Eyes

The Visual Brain

Recognizing Visual Objects

Perceiving Depth

Perceiving Motion

Perception for Action

Attention and Awareness

Sound and the Ears

The Auditory Brain and Perceiving Auditory Scenes

Perceiving Speech and Music

The Body Senses

Olfaction: Perceiving Odors

Gustation: Perceiving Tastes and Flavors

Filters

Exam 5: Perceiving Color

Which observation constituted evidence for the process of opponent color representation?

According to the text, a color called reddish green CANNOT be imagined because:

With an additive color mixture, mixing red and green light on a white surface produces:

Which statement is TRUE regarding trichromatic color representation?

Digital color video displays such as digital television and computer screens use _____ mixtures of three primary colors.

The technique of pointillist painting was adopted to:

_____ are any two stimuli that are physically different but perceived as identical.

The perceived color of an object depends on:

A 650-nm light would be perceived as _____, while a 550-nm light would appear _____.

White light is also called _____ light.

Which statement is TRUE regarding rod monochromats?

_____ is an experimental technique where a person cancels out any perception of a particular color in a test light by adding light of another color.

Julie is making slime with her kids. She starts with white, and in order to create green slime, she adds blue and yellow food coloring. This process of creating green is called _____ color mixing.

In the image given below, squares _____ reflect the same physical intensity of light.

The _____ explains why night vision is color-blind.

How many monochromatic comparison lights do people with normal color vision require to match an arbitrary monochromatic test light?

_____ is the tendency to see a surface as having the same color under illumination by lights with different spectral power distributions.

_____ is an intrinsic property that typically does not change, whereas the _____ of the light reflected from an object changes whenever the illumination changes.

With regard to cones, the principle of univariance states that the absorption of one photon of light results in:

Foundations

Light and the Eyes

The Visual Brain

Recognizing Visual Objects

Perceiving Depth

Perceiving Motion

Perception for Action

Attention and Awareness

Sound and the Ears

The Auditory Brain and Perceiving Auditory Scenes

Perceiving Speech and Music

The Body Senses

Olfaction: Perceiving Odors

Gustation: Perceiving Tastes and Flavors

Filters

A 650-nm light would be perceived as _, while a 550-nm light would appear _.

_ is an intrinsic property that typically does not change, whereas the _ of the light reflected from an object changes whenever the illumination changes.