What is the role of functional MRI (fMRI) in multiple sclerosis (MS)?

Updated: Oct 08, 2019
  • Author: Christopher Luzzio, MD; Chief Editor: Jasvinder Chawla, MD, MBA  more...
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Answer

A subset of patients with MS experiences minimal clinical impairment despite significant lesions on MRI. Functional MRI (fMRI) studies detects changes in blood flow related to energy use by brain cells; fMRI studies suggest that increased cognitive control recruitment in the motor system may limit the clinical manifestations of the disease in such cases. [77]


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