The Brain: Structures and Functions

AP Psychology· difficulty 3/5

A PET (positron emission tomography) scan tracks

A
$Electrical rhythms from cortical neurons$
B
$Sound wave reflections from brain tissue$
C
$Radioactive glucose to show metabolic activity$
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D
$Magnetic alignment of hydrogen atoms$

Explanation

Active brain regions consume more glucose, lighting up on the scan.

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