Week 8 Flashcards

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1
Q

Perceptions

A

3 classes of cone receptors that synapse with parvo RGCs

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2
Q

Color wheel/circle

A

Represents spectral colors and a few no spectral to predict additive color mixture with 2 colors

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3
Q

Hue

A

Corresponds to perception of wavelength. Spectral: Roy g biv, nonspectral: purples

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4
Q

Saturation

A

Corresponds to purity of light. Pure:1 wavelength,desaturates as mix more wavelengths

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5
Q

Brightness

A

Corresponds to intensity of light(#of photons)

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6
Q

Additive color mixture

A

Creates light color

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7
Q

Subtractive color mixture

A

Creates dark color

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8
Q

Trichromatic theory

A

3 primary hues in different amounts can generate all possible colors. Efficient, economical

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9
Q

Evidence trichromatic color theory

A
Additive color mixtures
Forms of color deficiency (dichromatism)
Protonopia: long wavelength out
Deuteranopia: medium wavelength out
Trotanopia: short wavelength out
Cone absorption spectra: 3 classes of cone receptors
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10
Q

Operant process theory

A

4 primary colors are organized into 2 opponent pairs

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11
Q

Evidence for opponent process theory

A

Cross cultural naming
Infant categorization
Colored after images
Opponent/double opponent neurons

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12
Q

Reconcile 2 theories?

A

Wiring diagram relating to cones to RGCs with both excitatory/inhibitatory connections

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13
Q

Physical stimulus

A

Light of varying wavelengths within the visible spectrum. Some moving black/white patterns

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