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Functional MRI in human subjects with gradient-echo and spin-echo EPI at 9.4 T

Juliane Budde1, G Shajan, Maxim Zaitsev

  • 1Max Planck Institute for Biological Cybernetics, High Field Magnetic Resonance Center, Tübingen, Germany; Graduate School of Neural and Behavioural Sciences, International Max Planck Research School, Universität Tübingen, Tübingen, Germany.

Magnetic Resonance in Medicine
|March 1, 2013
PubMed
Summary

Ultra-high field functional MRI at 9.4 T improves spatial specificity. Spin-echo echo-planar imaging reduces venous signal contributions compared to gradient-echo, enhancing functional MRI resolution.

Keywords:
BOLDGRE-EPISE-EPIhuman imagingtissueultra-high fieldveins

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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...