Tony, currently a murder suspect, is undergoing a test in which the electrical activity in his brain is accessed. The doctor is checking to see if Tony's P300 wave reveals that Tony has details of the murder in his memory. What kind of test is Tony undergoing?

A. brain fingerprinting
B. psychological stress evaluator
C. fMRI (functional magnetic resonance imaging)
D. PET scan (positron emission tomography)

A

Psychology

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