Invented in the 1970s, MRI became the evolution of an X-ray CT scan. Instead of X-rays
Description
Invented in the 1970s, MRI became the evolution of an X-ray CT scan. Instead of X-rays, MRI uses magnetic fields (along with radio waves and other signals) to create images of the body and brain. Like this: A complete set of cross-sections, allowing you to see the head entirely. Very unusual technology. fMRI ("functional" MRI) uses MRI technology to monitor changes in blood flow. What for? Because when brain regions become more active, they consume more energy, which means they need more oxygen, so the blood flow increases in this area to deliver this oxygen.
Invented in the 1970s, MRI became the evolution of an X-ray CT scan. Instead of X-rays, MRI uses magnetic fields (along with radio waves and other signals) to create images of the body and brain. Like this: A complete set of cross-sections, allowing you to see the head entirely. Very unusual technology. fMRI ("functional" MRI) uses MRI technology to monitor changes in blood flow. What for? Because when brain regions become more active, they consume more energy, which means they need more oxygen, so the blood flow increases in this area to deliver this oxygen.
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