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. Author manuscript; available in PMC: 2018 Feb 5.
Published in final edited form as: Eur Radiol. 2017 Jul 10;28(1):340–347. doi: 10.1007/s00330-017-4951-4

Fig. 1.

Fig. 1

Tract values calculated using TRACULA [16] to determine fractional anisotropy (FA) and radial diffusivity (RD) of the 18 major tracts of the brain, represented on the MNI brain. (a) Tractography, with tracts showing significantly greater RD in the cognitive impairment with low executive abilities (MCI-lowEF) group shown in purple. These include the corpus callosum-forceps major, left corticospinal tract, bilateral superior and inferior longitudinal fasciculi, and the right uncinate fasciculus. (b) Tracts with significantly greater FA in the mild cognitive impairment with high executive abilities (MCI-highEF) group shown in teal. These include the bilateral inferior and superior longitudinal fasciculi