Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
PET scans, or Positron Emission Tomography scans, are a neuroimaging technique that uses radioactive tracers to measure brain activity. It shows the metabolic processes happening in the brain by detecting levels of glucose uptake.