By measuring magnetic fields from the brain's natural electrical activity,researchers are able to understand how certain tasks are related to brain activity in certain areas.This technique is called a(n)

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The measurement of magnetic fields from the brain's electrical activity is known as magnetoencephalography (MEG). EEG, PET, and MRI are also techniques used to study brain activity, but they involve the measurement of different types of signals (EEG measures electrical activity, PET measures blood flow, and MRI measures changes in magnetic fields).

By Measuring Magnetic Fields from the Brain's Natural Electrical Activity,researchers