Question 1

_____ is the intensity of the light at each wavelength in the visible spectrum.

Accepted Answer

A)  The color circle 
B)  Spectral reflectance 
C)  Spectral power distribution 
D)  Spectral sensitivity function 
A)  The color circle 
B)  Spectral reflectance 
C)  Spectral power distribution 
D)  Spectral sensitivity function

Question 2

Which statement is TRUE regarding photopigment bleaching?

Accepted Answer

A)  Color assimilation is a form of photopigment bleaching. 
B)  It is one of the primary mechanisms of dark and light adaptation. 
C)  It helps in correctly perceiving the color of a surface under different illuminants. 
D)  It is a method for measuring the amount of light at each wavelength absorbed by a foveal cone. 
A)  Color assimilation is a form of photopigment bleaching. 
B)  It is one of the primary mechanisms of dark and light adaptation. 
C)  It helps in correctly perceiving the color of a surface under different illuminants. 
D)  It is a method for measuring the amount of light at each wavelength absorbed by a foveal cone.

Question 3

_____ is the tendency to see a surface as having the same perceived reflectance under illumination by very different amounts of light.

Accepted Answer

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

Question 4

A gray piece of paper and a white piece of paper have reflectance curves that are approximately horizontal lines because they:

Accepted Answer

A)  absorb the same overall amount of light. 
B)  reflect a greater percentage of low-wavelength light. 
C)  absorb a greater percentage of longer-wavelength light. 
D)  reflect about the same percentage of all wavelengths. 
A)  absorb the same overall amount of light. 
B)  reflect a greater percentage of low-wavelength light. 
C)  absorb a greater percentage of longer-wavelength light. 
D)  reflect about the same percentage of all wavelengths.

Question 5

According to the hue cancellation data shown in Figure 5.14, what range of wavelengths in the visible spectrum is perceived to be a combination of (a) yellow and red, (b) blue and green, (c) yellow and green, (d) blue and red, (e) blue and yellow, and (f) red and green?

Accepted Answer

(Numbers are approximated in nm.) (a) ye

Question 6

According to the principle of additive color mixing, an example of complementary colors would be:

Accepted Answer

A)  cyan and red. 
B)  red and green. 
C)  cyan and yellow. 
D)  magenta and red. 
A)  cyan and red. 
B)  red and green. 
C)  cyan and yellow. 
D)  magenta and red.

Question 7

_____ is the proportion of light that a surface reflects, rather than absorbs, at each wavelength.

Accepted Answer

A)  Color constancy 
B)  Spectral power distribution 
C)  Spectral reflectance 
D)  Color vision 
A)  Color constancy 
B)  Spectral power distribution 
C)  Spectral reflectance 
D)  Color vision

Question 8

What do pointillist paintings have in common with digital color video displays with regard to how each represents color? What are the major differences between them?

Accepted Answer

In both pointillist paintings and digita

Question 9

Dichromacy refers to the condition where a person:

Accepted Answer

A)  is missing two types of cones. 
B)  has only two types of cones. 
C)  has one type of rod and one type of cone. 
D)  can see two of the three Ishihara test symbols. 
A)  is missing two types of cones. 
B)  has only two types of cones. 
C)  has one type of rod and one type of cone. 
D)  can see two of the three Ishihara test symbols.

Question 10

Explain color constancy.

Accepted Answer

The wavelengths entering one's eyes are

Question 11

A color solid adds the vertical dimension to represent:

Accepted Answer

A)  hue. 
B)  saturation. 
C)  brightness. 
D)  wavelength. 
A)  hue. 
B)  saturation. 
C)  brightness. 
D)  wavelength.

Question 12

A person with only M-cones and L-cones:

Accepted Answer

A)  cannot adjust the intensity of a single comparison light to match the color of one monochromatic test light. 
B)  cannot perform metameric color matching with two monochromatic comparison lights. 
C)  generally perceives two different wavelengths as only one color. 
D)  is truly color blind. 
A)  cannot adjust the intensity of a single comparison light to match the color of one monochromatic test light. 
B)  cannot perform metameric color matching with two monochromatic comparison lights. 
C)  generally perceives two different wavelengths as only one color. 
D)  is truly color blind.

Question 13

Explain the principle of univariance.

Accepted Answer

According to the principle of univarianc

Question 14

A person suffering from protanopia lacks:

Accepted Answer

A)  M-cones. 
B)  S-cones. 
C)  L-cones. 
D)  L-cones and M-cones. 
A)  M-cones. 
B)  S-cones. 
C)  L-cones. 
D)  L-cones and M-cones.

Question 15

Blue paint looks blue because it:

Accepted Answer

A)  absorbs the shorter wavelengths. 
B)  reflects the longer wavelengths. 
C)  absorbs the longer wavelengths. 
D)  reflects the shorter wavelengths. 
A)  absorbs the shorter wavelengths. 
B)  reflects the longer wavelengths. 
C)  absorbs the longer wavelengths. 
D)  reflects the shorter wavelengths.

Question 16

The absolute sensitivity of S-cones is:

Accepted Answer

A)  higher than for M-cones or L-cones. 
B)  lower than for rod photoreceptors. 
C)  higher than it is for M-cones but lower for L-cones. 
D)  equal to that for M-cones or L-cones. 
A)  higher than for M-cones or L-cones. 
B)  lower than for rod photoreceptors. 
C)  higher than it is for M-cones but lower for L-cones. 
D)  equal to that for M-cones or L-cones.

Question 17

According to the phenomenon of color contrast, which surrounding color would make blue appear BRIGHTEST?

Accepted Answer

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

Question 18

_____ results from exposure to relatively intense light consisting of a narrow range of wavelengths.

Accepted Answer

A)  Chromatic adaptation 
B)  Color constancy 
C)  Lightness constancy 
D)  Hue cancellation 
A)  Chromatic adaptation 
B)  Color constancy 
C)  Lightness constancy 
D)  Hue cancellation

Question 19

_____ light is a heterochromatic light source that contains proportionately more long-wavelength light than sunlight does.

Accepted Answer

A)  Flashbulb 
B)  Fluorescent 
C)  Incandescent 
D)  Candle 
A)  Flashbulb 
B)  Fluorescent 
C)  Incandescent 
D)  Candle

Question 20

Physiological support for opponent color representation comes from:

Accepted Answer

A)  the discovery of two types of cones in the fish retina that responded in similar ways to different wavelengths. 
B)  the observation that people sorted a stack of cards into four piles of colors, rather than three. 
C)  measurements of neurons in the ventral geniculate nucleus of rats that responded to color in an opponent fashion. 
D)  confirmation of the existence of neural circuits involved in the opponent color representation process. 
A)  the discovery of two types of cones in the fish retina that responded in similar ways to different wavelengths. 
B)  the observation that people sorted a stack of cards into four piles of colors, rather than three. 
C)  measurements of neurons in the ventral geniculate nucleus of rats that responded to color in an opponent fashion. 
D)  confirmation of the existence of neural circuits involved in the opponent color representation process.

_____ is the intensity of the light at each wavelength in the visible spectrum.

Which statement is TRUE regarding photopigment bleaching?

_____ is the tendency to see a surface as having the same perceived reflectance under illumination by very different amounts of light.

A gray piece of paper and a white piece of paper have reflectance curves that are approximately horizontal lines because they:

According to the hue cancellation data shown in Figure 5.14, what range of wavelengths in the visible spectrum is perceived to be a combination of (a) yellow and red, (b) blue and green, (c) yellow and green, (d) blue and red, (e) blue and yellow, and (f) red and green?

According to the principle of additive color mixing, an example of complementary colors would be:

_____ is the proportion of light that a surface reflects, rather than absorbs, at each wavelength.

What do pointillist paintings have in common with digital color video displays with regard to how each represents color? What are the major differences between them?

Dichromacy refers to the condition where a person:

Explain color constancy.

A color solid adds the vertical dimension to represent:

A person with only M-cones and L-cones:

Explain the principle of univariance.

A person suffering from protanopia lacks:

Blue paint looks blue because it:

The absolute sensitivity of S-cones is:

According to the phenomenon of color contrast, which surrounding color would make blue appear BRIGHTEST?

_____ results from exposure to relatively intense light consisting of a narrow range of wavelengths.

_____ light is a heterochromatic light source that contains proportionately more long-wavelength light than sunlight does.

Physiological support for opponent color representation comes from:

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

_____ is the intensity of the light at each wavelength in the visible spectrum.

Which statement is TRUE regarding photopigment bleaching?

_____ is the tendency to see a surface as having the same perceived reflectance under illumination by very different amounts of light.

A gray piece of paper and a white piece of paper have reflectance curves that are approximately horizontal lines because they:

According to the hue cancellation data shown in Figure 5.14, what range of wavelengths in the visible spectrum is perceived to be a combination of (a) yellow and red, (b) blue and green, (c) yellow and green, (d) blue and red, (e) blue and yellow, and (f) red and green?

According to the principle of additive color mixing, an example of complementary colors would be:

_____ is the proportion of light that a surface reflects, rather than absorbs, at each wavelength.

What do pointillist paintings have in common with digital color video displays with regard to how each represents color? What are the major differences between them?

Dichromacy refers to the condition where a person:

Explain color constancy.

A color solid adds the vertical dimension to represent:

A person with only M-cones and L-cones:

Explain the principle of univariance.

A person suffering from protanopia lacks:

Blue paint looks blue because it:

The absolute sensitivity of S-cones is:

According to the phenomenon of color contrast, which surrounding color would make blue appear BRIGHTEST?

_____ results from exposure to relatively intense light consisting of a narrow range of wavelengths.

_____ light is a heterochromatic light source that contains proportionately more long-wavelength light than sunlight does.

Physiological support for opponent color representation comes from:

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