Describe the opponent-process coding of color that occurs in the retina
What will be an ideal response?
The answer should summarize the illustration of opponent process theory shown in
Figure 6.17 on page 167. The answer will include a description of this process for red light, green
light, and yellow light. The response should also describe how the brain "sees" color by
comparing the rates of firing of neurons in the optic nerve that signal red or green and blue or
yellow.
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Two months ago, Terry was awakened by smoke detectors, indicating a fire in her home. She and her family barely managed to get out before the fire destroyed their home. Since that night, she has been anxious,
unable to sleep through the night, and often has nightmares about the event. She may be suffering from a) dissociative fugue. b) somatization disorder. c) posttraumatic stress disorder. d) a psychophysiological disorder.
Which of the following is true regarding the use of non-human animals in psychological research?
a. They must give informed consent before being used. b. They are no longer used in psychological research. c. Federal regulations governing their housing and care have been strengthened. d. The APA objects to their use.