The brain research technique that involves monitoring the brain's usage of glucose is called (in abbreviated form) the

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PET scan (Positron Emission Tomography) is the brain research technique that involves monitoring the brain's usage of glucose. This is done by injecting a radioactive tracer substance into the bloodstream and then observing the areas of the brain that consume the most glucose, indicating the areas of highest activity. Option B (fMRI) and option D (MRI) both involve magnetic resonance imaging, which measures brain activity indirectly, but do not focus on glucose usage. Option C (EEG) measures electrical activity in the brain and does not involve glucose.

The Brain Research Technique That Involves Monitoring the Brain's Usage