Which of the following statements is true of the functional imaging technique called the positron emission tomography (PET)?
A. It measures the blood oxygen level dependent signal, which can then be used to create a colored statistical map of brain regions active during task activity.
B. It provides one with a direct measure of brain activity and an indirect measure of potential toxicity to specific neurons.
C. It gives real-time information about changes in brain blood flow and provides an indirect measure of neuron activity in specific brain regions.
D. It is noninvasive and does not require the injection of radioactive chemicals into the bloodstream.
Answer: B
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What will be an ideal response?
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a. conflict theory. b. ethnomethodology. c. symbolic interactionism. d. structural functionalism. e. ethnographic.
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