What Radioactive isotopes are used to study the brain?

Radioactive isotopes such as carbon-11, fluorine-18, and oxygen-15 are commonly used in positron emission tomography (PET) scans to study brain activity. These isotopes are incorporated into various tracers that can bind to specific receptors or metabolic pathways in the brain, allowing researchers to visualize and measure brain function and disorders. Additionally, technetium-99m is sometimes used in single-photon emission computed tomography (SPECT) scans for similar purposes. These imaging techniques provide valuable insights into neurological conditions and the effects of treatments.