How does the functional Magnetic Resonance Imaging technique (fMRI) compare with other imaging techniques?
a. It requires more processing time than PET scans, so it is more widely available.
b. It is more effective than the PET scan in measuring brain activity that occurs rapidly.
c. It does not provide precise information about the timing of various brain activities.
d. It produces images that are roughly comparable to the ERP technique.
Question 2
A researcher wants to study how people's attention shifts when they see a visual stimulus in an unexpected portion of a screen that they are viewing; this attention shift occurs in just a fraction of a second.
Which of the following techniques is this researcher most likely to use?
a. the neural-network approach
b. a positron emission tomography (PET) scan
c. the functional magnetic resonance imaging technique (fMRI)
d. the event-related potential technique (ERP)
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