Chapter 9: Perceiving color Flashcards

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1
Q

perception of color is associated with the:

A

physical property of wavelength

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2
Q

transparent objects are perceived as chromatic color created by _____________

A

selective transmission

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3
Q

mixing lights is a _____ color mixture

A

additive

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4
Q

mixing paints is a ________ color mixture

A

subtractive

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5
Q

the term for lights being physically different, but perceptually identical:

A

metamerism

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6
Q

the three types of color deficiency are:

A

monochromat, dichromat, and anomalous trichromat

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7
Q

a unilateral dichromat has ______ vision in one eye and _______ vision in the other

A

trichromatic, dichromatic

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8
Q

monochromatism results in perceiving what colors?

A

black, white, and grey

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9
Q

what is stated by the opponent-process theory of color vision?

A

color vision is caused by opposing responses generated by blue/yellow and red/green

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10
Q

color constancy refers to:

A

perceiving the colors of objects as being the same, even under changing illumination

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11
Q

chromatic adaptation is:

A

prolonged exposure to chromatic color

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12
Q

amount of light reaching the eye from an object is dependent on: (2)

A

illumination and reflectance

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13
Q

the ratio principle states:

A

as long as the ratio of reflectance of the object to reflectance of surrounding objects stays the same, perceived lightness will stay the same

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14
Q

reflectance edges are:

A

where the reflectance of two surfaces changes

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15
Q

illumination edges are:

A

where the lighting changes (creating shadows)

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16
Q

another term for chromatic color:

A

hue

17
Q

value of color represents:

A

the light-to-dark dimension

18
Q

saturation of color represents:

A

the amount of white in a hue

19
Q

behavioural evidence for the trichromatic theory is present in:

A

color matching

20
Q

the principle of univariance states:

A

absorption of a photon causes the same effect in all receptors, no matter what the wavelength is

21
Q

the originally proposed color center:

A

V4