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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Brain Imaging Behav. 2020 Jun;14(3):696–714. doi: 10.1007/s11682-018-0006-y

Fig. 8.

Fig. 8

a Illustrative representation of the interference of the corpus callosum 4 (CC4, anterior midbody of the corpus callosum, in green) with the delineated hand-related motor fiber tracts (HMFTs). This is an anterior view of an average case of a delineated HMFT (light yellow). The entire HMFT seems to be affected by the crossing fibers, especially in its anterior aspect.

b Depiction of the corpus callosum 5 (CC5, posterior midbody of the CC, in red) and its spatial correlation to the HMFTs (light yellow). This is the same anterior view of the HMFT. There is less interference than observed with respect to CC4, but the HMFTs’ density seems to be affected by the presence of crossing fibers in the posterior area.

c Combined anterior representation of the previously illustrated CC4 (green) and CC5 (red) to show how heavily those fibers appear to interfere with the HMFTs. All fibers are co-registered in the same Montreal Neurological Institute (MNI) 152 space. The right and left sides are marked as R and L, respectively, in all figures.