A Weaker, Cheaper MRI

Researchers at Los Alamos National Laboratory have made what they say are the first images of a human brain using magnetic fields a hundred-thousandth the strength of conventional magnetic resonance imaging (MRI), paving the way for lower cost medical images that might be better at detecting tumors.

Though the resolution is much lower than that in conventional MRIs, the images “show we have a potential for pretty good results,” says Vadim Zotev, a researcher in Los Alamos’s applied modern physics group. (That’s his head in the images.)


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