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Functional magnetic resonance imaging or functional MRI (fMRI) measures brain activity by detecting changes associated with blood flow. [1] [2] This technique relies on the fact that cerebral blood flow and neuronal activation are coupled. When an area of the brain is in use, blood flow to that region also increases. [3]
Functional magnetic resonance imaging data. Functional neuroimaging is the use of neuroimaging technology to measure an aspect of brain function, often with a view to understanding the relationship between activity in certain brain areas and specific mental functions.
Modern 3 Tesla clinical MRI scanner.. Magnetic resonance imaging (MRI) is a medical imaging technique mostly used in radiology and nuclear medicine in order to investigate the anatomy and physiology of the body, and to detect pathologies including tumors, inflammation, neurological conditions such as stroke, disorders of muscles and joints, and abnormalities in the heart and blood vessels ...
The field strength of the magnet is measured in teslas – and while the majority of systems operate at 1.5 T, commercial systems are available between 0.2 and 7 T. 3T MRI systems, also called 3 Tesla MRIs, have stronger magnets than 1.5 systems and are considered better for images of organs and soft tissue. [7]
Ultrahigh resolution MRI data of a single participant including 150 μm ToF angiography, 250 μm T1-weighted MPRAGE, 330 μm QSM, 450 μm T2-weighted TSE, 800 μm DTI, one hour continuous 1.8 mm rs-fMRI and structural data acquired over more than a decade
More than 10,000 square miles of the North Atlantic have been searched so far, according to the US Coast Guard, with reports that regular “tapping sounds” were picked up by sonar on Tuesday ...
In 1974, work on CT was started and the first CT machine was installed in 1976. In June 1980, the company acquired the CT scanner business of EMI. [8] GE Signa series MRI Scanner, used at Narayana Multispeciality Hospital, Jaipur. In 1982, the company set up a joint venture with Yokogawa Electric. It changed its name to GE Healthcare Japan ...
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