Functional Magnetic Resonance Imaging (fMRI): This technique measures changes in blood flow within the subject's brain to identify active regions during specific tasks.
Positron Emission Tomography (PET) Scan: PET scans track radioactive tracers injected into the subject's bloodstream to visualize brain activity.
Electroencephalogram (EEG):This method uses electrodes placed on the scalp to record electrical activity in the subject's brain, providing insight into overall brain function.