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How Is Epilepsy Diagnosed?

Magnetic Resonance Imaging (MRI)

This is a form of radiologic testing. The MRI is a machine that helps to view the internal structures of the human body, using both the radio waves [5] and the magnetic fields. It is a tool that can be used for the diagnosis of epilepsy.

MRI can be used to show the transverse section of the brain. This image will show if there are any abnormalities in the brain, like tumors [6] or brain lesions [7] which are linked to epilepsy and seizures. They can help the neurologist to identify regions in the brain from which the seizures might have developed in patients with focal epilepsy. MRI might not be an important diagnostic tool in patients with generalized epilepsy.

A functional magnetic resonance imaging (fMRI) is used to identify regions of the brain concerned with functions like movements and speech. Changes in these areas of the brain are viewed by the fMRI when the patients perform functions like movements. These changes can help the doctor diagnose epilepsy because these areas are usually affected by seizures.