Somehow the visual system compares the wavelengths of light reflected by adjacent areas of a visual display, and on this basis color is perceived. The cells that appear to perform this function are
A) cones.
B) dual-opponent color cells.
C) simple cortical color cells.
D) trichromatic color cells.
E) complex cortical color cells.
Answer: B
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Which of the following is a problem with cross-sectional research?
a. Participants tend to drop out of the study. b. It tends to be more expensive to conduct than longitudinal research. c. It tends to be more time-consuming than longitudinal research. d. It yields a correlation, which may be difficult to interpret.
In one study, mice experienced a stressful environment as newborns when they were separated from their mothers. What happened to these mice?
a. The mice were no different from mice that were not in stressful situations. b. The mice became socially anxious. c. The mice interacted frequently with other mice. d. The mice became very aggressive.