Regarding the experience of pain, which of the following statements is TRUE?
a. Acupuncture has been shown to cure diseases and produce long-term pain relief in 80 percent of the people tested.
b. Sensory inputs from the area of the missing limb conflict with the neuromatrix, which interprets the conflict as a phantom limb, complete with phantom limb pain.
c. Acupuncture needles activate the large pain fibers, which close the spinal gate directly.
d. Phantom limb pain is best explained by the gate control theory.
B
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As Chapter 4 discusses, John Brown, Lloyd Peterson, and Margaret Peterson created a classic technique for assessing short-term memory
In this technique, people saw some stimuli, counted backwards by threes during the delay period, and then tried to recall the original stimuli. The results of their research showed that a. people could recall up to 10 stimuli, after a delay period of 3 minutes. b. people systematically recalled only 10% of the stimuli, on each trial in the study. c. at the beginning of the session, people could recall only 20% of the items; by the end of the session, they recalled about 40% of the items. d. after many previous trials, people had difficulty recalling the stimuli, even with only a short delay.
Which of the following best reflects gender differences in verbal ability?
a. Only 10 percent of the published studies on gender differences found that females had greater verbal ability. b. Girls tend to be better readers than boys, but boys are better with fine motor skills. c. Boys have more language-related problems than girls. d. The quality of speech production is lower in girls than in boys.