MRI (magnetic resonance imaging): This imaging technique uses powerful magnets and radio waves to create detailed images of the brain's soft tissues, including differentiating between healthy and diseased tissue.
PET scan (positron emission tomography): A PET scan involves injecting a small amount of radioactive substance into the body to measure metabolic activity in different regions of the brain.
EEG (electroencephalogram): An EEG records electrical activity in the form of brain waves using electrodes placed on the scalp, providing information about overall patterns of brain activity.