Perceiving Color

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Questions Bank

Introduction to Perception
The Beginning of the Perceptual Process
Neural Processing
Cortical Organization
Perceiving Objects and Scenes
Visual Attention
Taking Action
Perceiving Motion
Perceiving Color
Perceiving Depth and Size
Hearing I: Basic Processes and Pitch Perception
Hearing II: Location and Organization
Speech Perception
The Cutaneous Senses
The Chemical Senses

All Questions

Question 1

Free

Multiple Choice

When you go to pick strawberries, you are easily able to separate the ripe red berries from the green foliage, the white blossoms and the green, still-forming berries. This has led to the suggestion that _____ .

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we need experience with the natural world in order to experience color vision

the genes resulting in lack of color vision should have disappeared long ago

color vision may have evolved for the express purpose of detecting fruit

only herbivore species should have color vision

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Question 2

Free

Multiple Choice

A monkey with good color vision _____ .

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would have difficulty with figure-ground segregation

would have a better chance of surviving than a color-blind monkey

would have an equal chance of survival as a color-blind monkey

would be very atypical, since most monkeys are color-blind

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Question 3

Free

Multiple Choice

Adding more white to a color changes the color's _____ .

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hue

wavelength

brightness

saturation

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Question 4

Free

Multiple Choice

The basic colors in the color circle are _____ .

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red, white, blue and green.

black, white, and gray

red, green, and blue

red, green, blue, and yellow

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Question 5

Free

Multiple Choice

By changing _____ , we can create about a million (or more) discriminable colors.

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saturation only

value only

hue and saturation, but not value

saturation, value, and hue

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Question 6

Multiple Choice

The reflectance curve is a plot of the light reflected off a surface as a function of _____ .

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spatial frequency

contrast

wavelength

orientation

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Question 7

Multiple Choice

The reflectance curve for a white piece of paper would reflect _____ .

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mostly short wavelengths, a moderate amount of medium wavelengths, and a little of the long wavelengths

mostly long wavelengths, a small amount of medium wavelengths, and a little of the short wavelengths

a little of short wavelengths, a large amount of medium wavelengths, and a little of the long wavelengths

long, medium and short wavelengths equally

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Question 8

Multiple Choice

The reflectance curve for a purple piece of paper will reflect _____ .

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short wavelengths

long wavelengths only

all wavelengths equally

long and short wavelengths

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Question 9

Multiple Choice

Yellow and blue light is projected on a white screen. What color will the screen appear to be

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white

gray

green

purple

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Question 10

Multiple Choice

Light that is mixed is referred to as a(n) _____ .

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electromagnetic color mixture

additive color mixture

subtractive color mixture

transitive color mixture

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Question 11

Multiple Choice

Paint that is mixed is referred to as a(n) _____ .

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viscous color mixture

additive color mixture

subtractive color mixture

pigmented color mixture

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Question 12

Multiple Choice

Blue and yellow paints mixed together yield _____ .

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white

gray

green

purple

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Question 13

Multiple Choice

The major theories of color vision were first proposed _____ .

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in the 1800s, based on behavioral evidence only

in the 1930s, based on some psychophysical data and lesioning studies

in the 1960s after Hubel and Wiesel's pioneering research?

in the 1990s when advanced brain imaging studies were conducted

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Question 14

Multiple Choice

The trichromatic theory of color vision is also known as the _____ theory.

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Seurat-Signac

Hering

Young-Helmholtz

Young-Adhart

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Question 15

Multiple Choice

Color matching experiments show that if a person with full color vision is given at least ____ wavelengths to mix together, the person can match any single wavelength.

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two

three

four

five

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Question 16

Multiple Choice

The trichromatic theory of color vision states that color perception is due to _____ .

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the pattern of activity in four different receptors mechanisms

the activity pattern in the occipital, parietal, and temporal cortical lobes

the pattern of activity in three different receptor mechanisms

processing in layers 1,2, and 3 in the LGN

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Question 17

Multiple Choice

The maximum absorption for the short-wavelength cone pigment is at ____ nm.

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308

419

531

558

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Question 18

Multiple Choice

The maximum absorption for the long-wavelength cone pigment is at ____ nm.

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419

531

558

747

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Question 19

Multiple Choice

The pattern of firing of receptor activity in response to red would be _____ .

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large firing from the S receptor, medium firing from the M receptor, and little firing from the L receptor

large firing from the S receptor, large firing from the M receptor, and little firing from the L receptor

little firing from the S receptor, a moderate firing from the M receptor, and large firing from the L receptor

large firing from the S receptor, large firing from the M receptor, and large firing from the L receptor

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Question 20

Multiple Choice

Two stimuli that are physically different, but are perceptually identical, are called _____ .

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complements

Rayleigh stimuli

metamers

isomers

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