Functional magnetic resonance imaging, or fMRI, is a technique for measuring brain activity. It works by detecting the changes in blood oxygenation and flow that occur in response to neural activity when a brain area is more active it consumes more oxygen and to meet this increased demand blood … Meer weergeven The development of FMRI in the 1990s, generally credited to Seiji Ogawa and Ken Kwong, is the latest in long line of innovations, … Meer weergeven The attractions of FMRI have made it a popular tool for imaging normal brain function especially for psychologists. Over the last decade it has provided new insight to the investigation of how memories are formed, … Meer weergeven Oxygen is delivered to neurons by hemoglobin in capillary red blood cells. When neuronal activity increases there is an increased demand for oxygen and the local … Meer weergeven The cylindrical tube of an MRI scanner houses a very powerful electro-magnet. A typical research scanner has a field strength of 3 teslas (T), about 50,000 times greater than the Earths field. The magnetic field … Meer weergeven WebThe fMRI uses magnetic fields and radio waves to detect these changes in blood flow in the brain. The fMRI can project on the computer which parts of the brain have the …
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