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Heat causes electrons to move around and distort the current in the fMRI detector, producing thermal noise. Thermal noise rises with the temperature. It also depends on the range of frequencies detected by the receiver coil and its electrical resistance. It affects all voxels similarly, independent of anatomy. [56]
Blood-oxygenation-level–dependent imaging, or BOLD-contrast imaging, is a method used in functional magnetic resonance imaging (fMRI) to observe different areas of the brain or other organs, which are found to be active at any given time. [1] [2]
If a series of diffusion gradients (i.e. magnetic field variations in the MRI magnet) are applied that can determine at least 3 directional vectors (use of 6 different gradients is the minimum and additional gradients improve the accuracy for "off-diagonal" information), it is possible to calculate, for each voxel, a tensor (i.e. a symmetric ...
BOX SCORE: Dodgers 13, Yankees 9 The game featured a total of six home runs, three of them in the first inning, as the Yankees got out to an early lead on Giancarlo Stanton's two-run blast off ...
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A baseball box score from 1876. [1] A box score is a structured summary of the results from a sport competition. The box score lists the game score as well as individual and team achievements in the game. Among the sports in which box scores are common are baseball, basketball, American football, volleyball and hockey.
World Series Game 1 simulation. The game featured a total of six home runs, three of them in the first inning, as the Yankees got out to an early lead on Giancarlo Stanton's two-run blast off ...
Contrast-to-noise ratio (CNR) [1] is a measure used to determine image quality. CNR is similar to the metric signal-to-noise ratio (SNR), but subtracts a term before taking the ratio. This is important when there is a significant bias in an image, such as from haze. [ 2 ]