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At the time the article was created J. Ray Ballinger had no recorded disclosures.View J. Ray Ballinger's current disclosures
At the time the article was last revised Andrew Murphy had no recorded disclosures.View Andrew Murphy's current disclosures
Moiré fringes are an interference pattern most commonly seen when acquiring gradient echo images using the body coil.
Because of lack of perfect homogeneity of the main magnetic field from one side of the body to the other, aliasing of one side of the body to the other results in superimposition of signals of different phases that alternatively add and cancel. This causes the banding appearance similar to the effect of looking through two screen windows.