The Focus on Neuroscience box, "The Mysterious Placebo Effect," described a PET-scan study on the placebo effect. Which of the following was found in the study?
A) The opiate painkiller activated a brain area known to contain many opioid receptors, but the placebo activated areas of the brain with no opioid receptors.
B) Both the placebo and the opiate painkiller activated a brain area known to contain many opioid receptors.
C) The opiate painkiller activated a brain area known to contain many opioid receptors, but the placebo inhibited activation in the same area.
D) The placebo activated a brain area known to contain many opioid receptors, but the opiate painkiller activated areas of the brain with no opioid receptors.
Answer: B) Both the placebo and the opiate painkiller activated a brain area known to contain many opioid receptors.
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What is a perfect Apgar score?
a. 0 b. 1 c. 7 d. 10
After the mass suicides related to the cults at Jonestown, people tended to blame the victims and accuse them of being psychologically unstable or deranged. Social psychologists are more likely to explain these mass suicides as being due to
a. individual differences, such as antisocial personality. b. mental illness in most of the cult members. c. the social influence of cult leaders. d. the imagined presence of an all-powerful deity.
In humans, the nose is __________, whereas the back of the head is __________.
A. rostral; caudal B. posterior; anterior C. caudal; rostral D. dorsal; ventral
According to research, which of the following would improve attention and consolidation and produce more learning?
a. one intensive 20-minute session using maintenance rehearsal b. one 60-minute continuous study session c. three 20-minute sessions with rest periods in-between d. each type of study session would produce equivalent amounts of learning