Perception of Color

Select the BEST response alternative for each of the questions below.

1. Which of the following is not a type of cone?
A) S-cone.
B) M-cone.
C) L-cone.
D) T-cone.
E) All of the above are types of cones.
2. The principle of univariance refers to the fact that:
A) we have three types of cones in our visual system.
B) an infinite set of different wavelength–intensity combinations can elicit the same response from a single type of photoreceptor.
C) an infinite number of colors exist in the real world.
D) many shades of colors appear the same under certain lighting conditions.
E) an infinite set of cones can record the same response from a single wavelength.
3. According to the ________ theory, the color of any light is defined in our visual system by the relationships among three numbers of a set.
A) univariance
B) saturation
C) trichromacy
D) opponent color
E) subtractive color mixing
4. Mixing paints to create new colors is an example of ________ color mixing, while shining lights to create new colors is an example of ________ color mixing.
A) additive; subtractive
B) subtractive; additive
C) additive; multiplicative
D) subtractive; multiplicative
E) multiplicative; divisive
5. What kind of cells in LGN compute chromatic differences, such as (L–M) and (M–L)?
A) Rod-opponent cells.
B) Cone-opponent cells.
C) Bipolar cells.
D) Stereo cells.
E) Amacrine cells.
6. According to the opponent color theory, the perception of color is based on the output of ________ cones, each of them an opponency between ________ colors.
A) three; three
B) three; two
C) two; two
D) four; three
E) four; two
7. In the hue cancellation experiments described in the textbook, if the starting color were too reddish, you would add:
A) yellow.
B) blue.
C) green.
D) purple.
E) orange.
8. Double-opponent cells are first found in the:
A) retina.
B) optic nerve.
C) optic chiasm.
E) visual cortex.
9. The idea that basic perceptual experiences may be determined in part by the cultural environment is called:
A) cultural determination.
B) culturalism.
C) cultural perceptualism.
D) cultural relativism.
E) chromatic adaptation.
10. A ________ is an individual who suffers from color blindness that is due to the absence of M-cones.
A) deuteranope
B) protanope
C) tritanope
D) misotope
E) color-anomalous individual
11. A ________ is an individual who suffers from color blindness that is due to the absence of L-cones.
A) deuteranope
B) protanope
C) tritanope
D) lisotope
E) color-anomalous individual
12. Which of the following describes an individual with no rods of any type?
A) Cone monochromat.
B) Cone-anomalous.
C) Protanope.
D) Rod monochromat.
E) Deutranope.
13. In the case of a negative afterimage, a yellow stimulus would produce a ________ afterimage.
A) blue
B) green
C) red
D) brown
E) black
14. What is the function relating the wavelength of light to the percentage of that wavelength that is reflected from the surface?
A) Spectral power distribution.
B) Spectral illuminant.
C) Spectral reflectance function.
D) Color absorption function.
E) None of the above.
15. An assumption about ________ is not a physical constraint that makes constancy possible.
A) the light source
B) surfaces
C) afterimages
D) sharp borders in an image
E) All of the above are physical constraints that make constancy possible.

End of Quiz!

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