AJDRAJNR - American Journal of Neuroradiology

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FIG 2. Eigenvalue space plots as defined by Bahn (33), plotted for anisotropy index FA. FA is high (bright) for both {lambda}3/{lambda}1 and {lambda}2/{lambda}1 close to zero, which corresponds to a cigar-shaped diffusion ellipse. But FA is still relatively large for {lambda}2/{lambda}1 close to 1, the pancake-shaped diffusion ellipse.





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Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X