MEG (Magnetoencephalography) and fMRI (functional Magnetic Resonance Imaging) are both neuroimaging techniques used to study brain activity, but they differ significantly in their principles and applications. MEG measures the magnetic fields produced by neuronal electrical activity, allowing for precise temporal resolution in real-time brain function, while fMRI detects changes in blood flow related to neural activity, providing excellent spatial resolution. Understanding these differences is crucial for selecting the appropriate method based on research needs and clinical applications.
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