PET scanners are useful in functional measurement of the brain because
A) neural activity is similar in most brain structures.
B) different types of brain lesions produce different behavioural effects.
C) serotonin and dopamine are easily detectable.
D) different brain regions are biochemically active during different kinds of behaviours.
E) hemoglobin reacts to the magnetic fields it produces.

Question

Quizplus · Accepted Answer

PET (Positron Emission Tomography) scanners measure biochemical activity in the brain by detecting areas where a radioactive tracer (injected into the bloodstream) is absorbed, which correlates with different types of brain activity during various behaviors.

PET Scanners Are Useful in Functional Measurement of the Brain