brain perfusion造句

At the same time, methods to directly measure brain perfusion using spin inverted water ( arterial spin labeling ) were pioneered in animal models by John Detre and Alan Koretsky.
In comparison with other QEEG measures, such as absolute power or relative power, cordance appears to have a superior correlation with regional brain perfusion, one of the other standard measures of regional brain activity.
The oxygenation level dependent signal, known now as BOLD, has become the most popular because of its greater overall contrast / noise, but Kwong showed also that MRI could be used to detect a blood " flow " signal through the apparent change in T1 relaxation rates associated with the replenishment of blood in brain tissue, and demonstrated how the measured signal changes could be used to directly infer a quantitative measurement of the change in brain perfusion.
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