Current trends and challenges in MRI acquisitions to investigate brain function

Bradley P Sutton1, Cheng Ouyang, Dimitrios C Karampinos

  • 1Bioengineering Department, University of Illinois at Urbana-Champaign, 3120 DCL, 1304 W Springfield Avenue, Urbana, IL 61801 United States. bsutton@illinois.edu

Summary

Functional magnetic resonance imaging (fMRI) using blood oxygenation level dependent (BOLD) response aids brain function assessment. Newer MRI techniques offer improved quantification and specificity for imaging cognitive function, addressing current challenges.

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Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...