HANK MORGAN / SCIENCE PHOTO LIBRARY HANK MORGAN / SCIENCE PHOTO LIBRARY
High-speed MRI scanner. A patient is prepared to enter a very high-speed MRI (Magnetic Resonance Imaging) scanner for a brain scan. A radiographer is adjusting a special headset clamped over the patient's head. The cushions inside this will keep the head still during the scan. MRI scanners can produce an image of a "slice" through the body in any direction. They are particularly good for studying soft tissues like the brain. In a conven- tional MRI scanner the patient must lie very still in a narrow cylinder for about 30 minutes. This high-speed scanner can perform a 50-slice brain scan in under 5 minutes. Photographed in Massachu- setts General Hospital, Somerville, USA.
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