Which two procedures allow researchers to visualize changes in brain activity over time?
A) PET scan and CT
B) PET scan and fMRI
C) MRI and fMRI
D) CT scan and MRI

Question

Quizplus · Accepted Answer

PET scan and fMRI are the two procedures that allow researchers to visualize changes in brain activity over time. PET scans use a radioactive tracer to measure changes in blood flow, while fMRI measures changes in oxygen levels in the blood. Both techniques offer insights into brain function and activity.

Which Two Procedures Allow Researchers to Visualize Changes in Brain