A researcher wants to obtain a "movie" of changes in the activity of the brain using images during different activities. Which of these would be the best choice for this researcher?
a) electroencephalography (EEG)
b) computed tomography (CT)
c) positron emission tomography (PET)
d) functional magnetic resonance imaging (fMRI)
ANS: D, fMRI takes MRI images and combines them into a moving image of the brain.
Psychology
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The arrangement in which test items are placed in order of increasing difficulty but are
alternated with other items of similar difficulty throughout the test is known as the __________ format. A) critical incidence B) spiral omnibus C) tandem order D) homogeneous hierarchy
Psychology
The behaviors that result from alcohol intake are _____
a. constitutional traits c. source traits b. environmental-mold traits d. dynamic traits
Psychology