Question 1

Blue objects absorb most wavelengths but reflect light at about 450 nm.This phenomenon relates to ______.

Accepted Answer

A) spectral reflectance 
B) resonance properties 
C) color spectrometry 
D) specter of bond 
A) spectral reflectance 
B) resonance properties 
C) color spectrometry 
D) specter of bond

Question 2

Hurvich and Jameson (1957) developed an experiment in which observers cancel out the perception of a particular color by adding light of the opponent color.This procedure is known as ______.

Accepted Answer

A) afterimage detection 
B) hue cancellation 
C) simultaneous color contrast 
D) spectral reflectance 
A) afterimage detection 
B) hue cancellation 
C) simultaneous color contrast 
D) spectral reflectance

Question 3

A green square surrounded by red looks more green than if surrounded by a neutral color.Similarly, a yellow square looks more yellow when surrounded by a blue background than a neutral background.These phenomena support which view of color perception?

Accepted Answer

A) competitive theory of color vision 
B) trichromatic theory of color vision 
C) complementary theory of color vision 
D) opponent-process theory of color vision 
A) competitive theory of color vision 
B) trichromatic theory of color vision 
C) complementary theory of color vision 
D) opponent-process theory of color vision

Question 4

A metamer is a psychophysical color contrast between two patches of light that have identical sets of wavelengths but are perceived as different colors due to their surroundings.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is TRUE about rod monochromats?

Accepted Answer

A) They cannot distinguish between red and green. 
B) They see best in bright sunlight. 
C) They cannot learn to read. 
D) They see the world only in black, white, and grays. 
A) They cannot distinguish between red and green. 
B) They see best in bright sunlight. 
C) They cannot learn to read. 
D) They see the world only in black, white, and grays.

Question 6

As we age, we tend to lose our ability to see long wavelengths, but we do not lose our ability to see short wavelengths.

Accepted Answer

A) True 
 B)False

Question 7

The S-cone has its name because it ______.

Accepted Answer

A) is more sensitive to all light than other cones 
B) responds best to short-wavelength light 
C) works on subtractive color mixing 
D) shifts between responding to low and high brightness 
A) is more sensitive to all light than other cones 
B) responds best to short-wavelength light 
C) works on subtractive color mixing 
D) shifts between responding to low and high brightness

Question 8

What physical feature of the human eye lends important support to the trichromatic theory of color vision?

Accepted Answer

A) the optic nerve 
B) the various types of cones in the retina 
C) the lens 
D) the muscles that control the pupil 
A) the optic nerve 
B) the various types of cones in the retina 
C) the lens 
D) the muscles that control the pupil

Question 9

The distribution of wavelengths in sunlight changes across the day.Evening light has more long-wavelength light than light earlier in the day.This means ______.

Accepted Answer

A) we see objects as bluer in the evening 
B) color constancy must correct for the change in the distribution of light 
C) object permanence is compromised 
D) cortical achromatopsia will develop in those who do not rise early each morning 
A) we see objects as bluer in the evening 
B) color constancy must correct for the change in the distribution of light 
C) object permanence is compromised 
D) cortical achromatopsia will develop in those who do not rise early each morning

Question 10

That the perceived lightness of an object is explained by the ratio of light it reflects rather than the absolute amount of light it reflects, assuming even illumination across the visual scene, is known as the ______.

Accepted Answer

A) Gelb effect 
B) lightness ratio 
C) color-lightness invariance 
D) ratio principle 
A) Gelb effect 
B) lightness ratio 
C) color-lightness invariance 
D) ratio principle

Question 11

Why is the term color deficiency a more accurate label than is the term color blindness?

Accepted Answer

The term color blindness implies that so

Question 12

Spectral reflectance is the ratio of light reflected by an object at each wavelength.

Accepted Answer

A) True 
 B)False

Question 13

Explain how and why color perception can change as adults age.

Accepted Answer

As adults age, the lenses of their eyes

Question 14

An object that reflects all light of all wavelengths from its surface will be perceived as ______.

Accepted Answer

A) red 
B) blue 
C) black 
D) white 
A) red 
B) blue 
C) black 
D) white

Question 15

If an object is reflecting 50% of the light that hits it, it will be seen as ______ with 100 units of light illuminating it and as ______ with 1000 units of light illuminating it.

Accepted Answer

A) black; white 
B) white; white 
C) gray; gray 
D) gray; white 
A) black; white 
B) white; white 
C) gray; gray 
D) gray; white

Question 16

What does it mean to say that color is a quality and not an amount? Explain how the term hue relates to this statement.

Accepted Answer

To say that color is a quality and not a

Question 17

Define color constancy, and give an example that demonstrates the concept.

Accepted Answer

Color constancy refers to our ability to

Question 18

Describe the trichromatic theory of color vision, and list the evidence that supports it.

Accepted Answer

The trichromatic theory proposes that co

Question 19

Unilateral dichromacy has allowed scientists to determine ______.

Accepted Answer

A) whether color deficiency occurs equally in women and men 
B) if people with four cone types in their retinae see more colors than normal individuals 
C) what colors appear like to color-deficient individuals 
D) what mutation causes four-cone systems 
A) whether color deficiency occurs equally in women and men 
B) if people with four cone types in their retinae see more colors than normal individuals 
C) what colors appear like to color-deficient individuals 
D) what mutation causes four-cone systems

Question 20

Cone monochromats ______.

Accepted Answer

A) have rods but no cones 
B) lack two cone types but have one present 
C) are color-deficient because of damage to V4 
D) are functionally equivalent to rod monochromats 
A) have rods but no cones 
B) lack two cone types but have one present 
C) are color-deficient because of damage to V4 
D) are functionally equivalent to rod monochromats

Blue objects absorb most wavelengths but reflect light at about 450 nm.This phenomenon relates to ______.

Hurvich and Jameson (1957) developed an experiment in which observers cancel out the perception of a particular color by adding light of the opponent color.This procedure is known as ______.

A green square surrounded by red looks more green than if surrounded by a neutral color.Similarly, a yellow square looks more yellow when surrounded by a blue background than a neutral background.These phenomena support which view of color perception?

A metamer is a psychophysical color contrast between two patches of light that have identical sets of wavelengths but are perceived as different colors due to their surroundings.

Which of the following is TRUE about rod monochromats?

As we age, we tend to lose our ability to see long wavelengths, but we do not lose our ability to see short wavelengths.

The S-cone has its name because it ______.

What physical feature of the human eye lends important support to the trichromatic theory of color vision?

The distribution of wavelengths in sunlight changes across the day.Evening light has more long-wavelength light than light earlier in the day.This means ______.

That the perceived lightness of an object is explained by the ratio of light it reflects rather than the absolute amount of light it reflects, assuming even illumination across the visual scene, is known as the ______.

Why is the term color deficiency a more accurate label than is the term color blindness?

Spectral reflectance is the ratio of light reflected by an object at each wavelength.

Explain how and why color perception can change as adults age.

An object that reflects all light of all wavelengths from its surface will be perceived as ______.

If an object is reflecting 50% of the light that hits it, it will be seen as with 100 units of light illuminating it and as with 1000 units of light illuminating it.

What does it mean to say that color is a quality and not an amount? Explain how the term hue relates to this statement.

Define color constancy, and give an example that demonstrates the concept.

Describe the trichromatic theory of color vision, and list the evidence that supports it.

Unilateral dichromacy has allowed scientists to determine ______.

Cone monochromats ______.

What Is Perception

Research Methodology

Visual System: The Eye

Visual System: The Brain

Object Perception

Depth and Size Perception

Movement and Action

Visual Attention

The Auditory System

The Auditory Brain and Sound Localization

Speech Perception

Music Perception

Touch and Pain

Olfaction and Taste

Filters

Exam 6: Color Perception

Blue objects absorb most wavelengths but reflect light at about 450 nm.This phenomenon relates to ______.

Hurvich and Jameson (1957) developed an experiment in which observers cancel out the perception of a particular color by adding light of the opponent color.This procedure is known as ______.

A green square surrounded by red looks more green than if surrounded by a neutral color.Similarly, a yellow square looks more yellow when surrounded by a blue background than a neutral background.These phenomena support which view of color perception?

A metamer is a psychophysical color contrast between two patches of light that have identical sets of wavelengths but are perceived as different colors due to their surroundings.

Which of the following is TRUE about rod monochromats?

As we age, we tend to lose our ability to see long wavelengths, but we do not lose our ability to see short wavelengths.

The S-cone has its name because it ______.

What physical feature of the human eye lends important support to the trichromatic theory of color vision?

The distribution of wavelengths in sunlight changes across the day.Evening light has more long-wavelength light than light earlier in the day.This means ______.

That the perceived lightness of an object is explained by the ratio of light it reflects rather than the absolute amount of light it reflects, assuming even illumination across the visual scene, is known as the ______.

Why is the term color deficiency a more accurate label than is the term color blindness?

Spectral reflectance is the ratio of light reflected by an object at each wavelength.

Explain how and why color perception can change as adults age.

An object that reflects all light of all wavelengths from its surface will be perceived as ______.

If an object is reflecting 50% of the light that hits it, it will be seen as ______ with 100 units of light illuminating it and as ______ with 1000 units of light illuminating it.

What does it mean to say that color is a quality and not an amount? Explain how the term hue relates to this statement.

Define color constancy, and give an example that demonstrates the concept.

Describe the trichromatic theory of color vision, and list the evidence that supports it.

Unilateral dichromacy has allowed scientists to determine ______.

Cone monochromats ______.

What Is Perception

Research Methodology

Visual System: The Eye

Visual System: The Brain

Object Perception

Depth and Size Perception

Movement and Action

Visual Attention

The Auditory System

The Auditory Brain and Sound Localization

Speech Perception

Music Perception

Touch and Pain

Olfaction and Taste

Filters

If an object is reflecting 50% of the light that hits it, it will be seen as with 100 units of light illuminating it and as with 1000 units of light illuminating it.