One of medical science's indispensable diagnostic and research tools over the past quarter-century has been functional magnetic resonance imaging technology, or fMRI. This is a non-invasive imaging technique that makes use of strong magnetic fields and radio waves to produce three-dimensional images of the interior of the human body, and has revolutionized research into brain activity, using increased blood flow to indicate corresponding increases in neural activity. However, a new study has called the accuracy of the device's software into question, after discovering a bug in commonly-used MRI interpretation software packages -- a bug that may very well call the results of over 40,000 medical research studies into question.
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