What evidence shows that synesthesia is real, not pretended?
a. Synesthesia is much more common in some families than in others
b. Many people continue to report the same synesthetic experiences year after year.
c. Several people claiming to have synesthesia have passed a lie-detector test.
d. Some people with synesthesia can find a 2 among many 5s faster than average.
d
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The human eye contains three types of photopigments, each of which absorb a particular
wavelength. The wavelengths correspond to the actual hues of a. red, blue, and yellow-green. b. blue-violet, green, and yellow-green. c. red, blue-green, and yellow-orange. d. blue, yellow, and green. e. Red-green, blue-violet, and yellow-green.
When a depressed person has feelings or thoughts of worthlessness, he or she should
a. ignore them and go back to studying. b. write them down and then write a rational answer to each one. c. repeat the thoughts over and over until they lose their meaning. d. try to get more sleep by taking an afternoon nap.