Question 1

Why is it more efficient for the visual system to utilize color opponency instead of registering the absolute response of each type of cone in color identification?

Accepted Answer

The visual system has evolved in this ma

Question 2

Research has shown that the proportion of _____ in the retina is fairly small compared with the other types of photoreceptors.

Accepted Answer

A)  rods 
B)  S-cones 
C)  M-cones 
D)  L-cones 
A)  rods 
B)  S-cones 
C)  M-cones 
D)  L-cones

Question 3

Mixing blue and yellow paint gives the appearance of green because:

Accepted Answer

A)  blue paint absorbs the shorter wavelengths, while yellow paint absorbs the longer wavelengths. 
B)  blue paint absorbs the longer wavelengths, while yellow paint absorbs the shorter wavelengths. 
C)  blue paint and yellow paint both absorb the medium wavelengths. 
D)  blue paint reflects the longer wavelengths, while yellow paint reflects the shorter wavelengths. 
A)  blue paint absorbs the shorter wavelengths, while yellow paint absorbs the longer wavelengths. 
B)  blue paint absorbs the longer wavelengths, while yellow paint absorbs the shorter wavelengths. 
C)  blue paint and yellow paint both absorb the medium wavelengths. 
D)  blue paint reflects the longer wavelengths, while yellow paint reflects the shorter wavelengths.

Question 4

Photopigments in M-cones are:

Accepted Answer

A)  sensitive to light with a wavelength of 900 nm. 
B)  sensitive to light with a wavelength of 250 nm. 
C)  sensitive to light across nearly the entire spectrum. 
D)  insensitive to wavelengths greater than 550 nm. 
A)  sensitive to light with a wavelength of 900 nm. 
B)  sensitive to light with a wavelength of 250 nm. 
C)  sensitive to light across nearly the entire spectrum. 
D)  insensitive to wavelengths greater than 550 nm.

Question 5

An individual with only M-cones:

Accepted Answer

A)  is sensitive to changes in the wavelengths of light but not the intensity. 
B)  can achieve metameric color matching with only certain wavelengths of light. 
C)  can achieve metameric color matching by adjusting the intensity of light. 
D)  cannot perform metameric color matching. 
A)  is sensitive to changes in the wavelengths of light but not the intensity. 
B)  can achieve metameric color matching with only certain wavelengths of light. 
C)  can achieve metameric color matching by adjusting the intensity of light. 
D)  cannot perform metameric color matching.

Question 6

If a spot of light is shown, is it possible to perceive whether one is viewing a single wavelength of light as opposed to multiple wavelengths superimposed on the same location? Explain why or why not.

Accepted Answer

It is not possible to directly perceive

Question 7

Explain whether one would display his or her luscious homegrown tomatoes under incandescent or fluorescent lighting in order to make them look their reddest and most succulent.

Accepted Answer

Tomatoes have about a 40 percent reflect

Question 8

_____ is the perceptual characteristic MOST closely associated with the wavelength of light.

Accepted Answer

A)  Hue 
B)  Saturation 
C)  Brightness 
D)  Frequency 
A)  Hue 
B)  Saturation 
C)  Brightness 
D)  Frequency

Question 9

How many degrees apart are complementary colors on the color circle?

Accepted Answer

A)  360 
B)  180 
C)  90 
D)  45 
A)  360 
B)  180 
C)  90 
D)  45

Question 10

Additive color mixing would involve mixing different:

Accepted Answer

A)  colored crayons. 
B)  light sources. 
C)  inks. 
D)  colored paints. 
A)  colored crayons. 
B)  light sources. 
C)  inks. 
D)  colored paints.

Question 11

The mosaic of the three types of cones within the human eye can be directly visualized using a technique called:

Accepted Answer

A)  retinal densitometry. 
B)  metameric color matching. 
C)  hue cancellation. 
D)  the Ishihara test. 
A)  retinal densitometry. 
B)  metameric color matching. 
C)  hue cancellation. 
D)  the Ishihara test.

Question 12

Which statement is TRUE regarding inherited deficiencies of color vision?

Accepted Answer

A)  They affect females much more frequently than males. 
B)  The lack of M-cones and L-cones is due to a defect on the X chromosome. 
C)  They occur when a person is born without rods in the retina. 
D)  There are two categories of these deficiencies-night blindness and trichromacy. 
A)  They affect females much more frequently than males. 
B)  The lack of M-cones and L-cones is due to a defect on the X chromosome. 
C)  They occur when a person is born without rods in the retina. 
D)  There are two categories of these deficiencies-night blindness and trichromacy.

Question 13

According to the text, digital color printing does NOT use _____ ink.

Accepted Answer

A)  white 
B)  magenta 
C)  black 
D)  yellow 
A)  white 
B)  magenta 
C)  black 
D)  yellow

Question 14

If a white light is shone onto a surface that only reflects wavelengths below 500 nm, the surface will appear to be:

Accepted Answer

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

Question 15

According to the ratio principle of lightness constancy, the perceived lightness of a region is based on the:

Accepted Answer

A)  relative intensity of the illuminating light. 
B)  absolute amount of light reflected from the region and its surround. 
C)  difference in color between the region and its surround. 
D)  relative amounts of light reflected from the region and its surround. 
A)  relative intensity of the illuminating light. 
B)  absolute amount of light reflected from the region and its surround. 
C)  difference in color between the region and its surround. 
D)  relative amounts of light reflected from the region and its surround.

Question 16

When a light source emits a wide range of different wavelengths, it is called _____ light.

Accepted Answer

A)  heterochromatic 
B)  monochromatic 
C)  achromatic 
D)  multivariate 
A)  heterochromatic 
B)  monochromatic 
C)  achromatic 
D)  multivariate

Question 17

The visible spectrum is that portion of the electromagnetic spectrum that ranges from _____ nm.

Accepted Answer

A)  100 to 300 
B)  300 to 600 
C)  400 to 700 
D)  800 to 1000 
A)  100 to 300 
B)  300 to 600 
C)  400 to 700 
D)  800 to 1000

Question 18

Achromatopsia is:

Accepted Answer

A)  genetically inherited only by females. 
B)  genetically inherited only by males. 
C)  the loss of night vision. 
D)  caused by brain damage. 
A)  genetically inherited only by females. 
B)  genetically inherited only by males. 
C)  the loss of night vision. 
D)  caused by brain damage.

Question 19

A 5-year-old girl has her heart set on having her room painted a bright shade of green. What is the drawback in simply mixing leftover supply of blue and yellow paint for this job? (Assume the paints are in perfect condition.)

Accepted Answer

Mixing paints is an example of subtracti

Question 20

Can three primary colors ever be combined to produce a fourth color as highly saturated as the original three primaries? Explain why or why not, based on the color circle.

Accepted Answer

Primary colors are any three colors that

Why is it more efficient for the visual system to utilize color opponency instead of registering the absolute response of each type of cone in color identification?

Research has shown that the proportion of _____ in the retina is fairly small compared with the other types of photoreceptors.

Mixing blue and yellow paint gives the appearance of green because:

Photopigments in M-cones are:

An individual with only M-cones:

If a spot of light is shown, is it possible to perceive whether one is viewing a single wavelength of light as opposed to multiple wavelengths superimposed on the same location? Explain why or why not.

Explain whether one would display his or her luscious homegrown tomatoes under incandescent or fluorescent lighting in order to make them look their reddest and most succulent.

_____ is the perceptual characteristic MOST closely associated with the wavelength of light.

How many degrees apart are complementary colors on the color circle?

Additive color mixing would involve mixing different:

The mosaic of the three types of cones within the human eye can be directly visualized using a technique called:

Which statement is TRUE regarding inherited deficiencies of color vision?

According to the text, digital color printing does NOT use _____ ink.

If a white light is shone onto a surface that only reflects wavelengths below 500 nm, the surface will appear to be:

According to the ratio principle of lightness constancy, the perceived lightness of a region is based on the:

When a light source emits a wide range of different wavelengths, it is called _____ light.

The visible spectrum is that portion of the electromagnetic spectrum that ranges from _____ nm.

Achromatopsia is:

A 5-year-old girl has her heart set on having her room painted a bright shade of green. What is the drawback in simply mixing leftover supply of blue and yellow paint for this job? (Assume the paints are in perfect condition.)

Can three primary colors ever be combined to produce a fourth color as highly saturated as the original three primaries? Explain why or why not, based on the color circle.

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

Why is it more efficient for the visual system to utilize color opponency instead of registering the absolute response of each type of cone in color identification?

Research has shown that the proportion of _____ in the retina is fairly small compared with the other types of photoreceptors.

Mixing blue and yellow paint gives the appearance of green because:

Photopigments in M-cones are:

An individual with only M-cones:

If a spot of light is shown, is it possible to perceive whether one is viewing a single wavelength of light as opposed to multiple wavelengths superimposed on the same location? Explain why or why not.

Explain whether one would display his or her luscious homegrown tomatoes under incandescent or fluorescent lighting in order to make them look their reddest and most succulent.

_____ is the perceptual characteristic MOST closely associated with the wavelength of light.

How many degrees apart are complementary colors on the color circle?

Additive color mixing would involve mixing different:

The mosaic of the three types of cones within the human eye can be directly visualized using a technique called:

Which statement is TRUE regarding inherited deficiencies of color vision?

According to the text, digital color printing does NOT use _____ ink.

If a white light is shone onto a surface that only reflects wavelengths below 500 nm, the surface will appear to be:

According to the ratio principle of lightness constancy, the perceived lightness of a region is based on the:

When a light source emits a wide range of different wavelengths, it is called _____ light.

The visible spectrum is that portion of the electromagnetic spectrum that ranges from _____ nm.

Achromatopsia is:

A 5-year-old girl has her heart set on having her room painted a bright shade of green. What is the drawback in simply mixing leftover supply of blue and yellow paint for this job? (Assume the paints are in perfect condition.)

Can three primary colors ever be combined to produce a fourth color as highly saturated as the original three primaries? Explain why or why not, based on the color circle.

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