[A simple method for evaluation of the stability of magnetic resonance scanner during brain function imaging]

Xi-gang Feng1, Zhi-bo Wen, Fan-heng Huang

  • 1Department of Medical Instrumentation, First Military Medical University, Guangzhou 510515 China. fxg@fimmu.com

Di 1 Jun Yi Da Xue Xue Bao = Academic Journal of the First Medical College of PLA
|July 20, 2004
PubMed
Abstract

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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...