Libby's physician refers her to a medical center in order to have the biochemical activity in her brain analyzed. She is given an injection of a radioactive glucose-like substance and then is told to lie down with her head in a scanner
The technique being used is
A) positron emission tomography.
B) functional magnetic resonance imaging.
C) microelectrode recording.
D) an electroencephalogram.
Answer: A
Rationale: Positron Emission Tomography (PET) scans use low levels of radioactive glucose that is injected into the blood to visualize which areas of the brain are engaged by various tasks (active nerve cells use up the glucose at a faster rate than do resting cells).
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Donald believes all the teaching in the world
will not change the fact that he is stupid and of below average intelligence. According to Dweck, what locus of control does Donald have? a) internal locus of control b) decremental c) incidental d) external locus of control
As discussed in the text, the sociologist Phil Kunz once performed a study in which he sent 578 Christmas cards to a sample of complete strangers living in Chicago, Illinois. What happened?
a. Almost none of them sent him a card in return, since they didn't know who he was. However, a small but significant minority ( 8%) were apparently very upset with the researcher. b. The vast majority of them ( 95%) actually sent him a card in return or telephoned him to try to find out who he was. c. A significant minority of them ( 20%) actually acted as though they knew who he was and sent him a card in return. d. Essentially, nothing—although he did receive a handful of cards (three or four) from people who probably mistakenly thought they knew who he was.
Person perceptions are based on a network of assumptions about what characteristics go together.
Answer the following statement true (T) or false (F)
Books for children about Alzheimer's disease, such as those listed in Focus On 20.4
a. typically explain why grandparents with this disease no longer lover their grandchildren b. identify constructive roles children can play when a family member has this disease c. show why children's fears are justified in this context d. show how it would be best for family members not to talk about this disease e. tell children they can no longer enjoy activities they once shared with the person with Alzheimer's disease