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. 2016 Mar 30;10:33. doi: 10.3389/fnana.2016.00033

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Copyright © 2016 Zhang, Tao, Chen, Wang, Hu, Song, Zhang, Chen, Xu, Wang, Feng, Wang, Zheng, You and Gao.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Definition of the regions of interest (ROIs) of the bilateral pyramidal tracts (PYs). (A) The definition of the PY (bregma, −11.36 mm to −12.36 mm) caudal to the hematoma on the horizontal and sagittal plane. Line 1 and Line 2 perpendicular to the horizontal and sagittal planes represent two planes that are located at –11.36 mm and –12.36 mm of bregma, respectively. (B) The definition of the bilateral PYs on two coronal planes. The images in the left column are coronal T2-weighted images. The images in the middle column are coronal λ₂-weighted images that show the definition of the ROIs of the bilateral PYs (encircled in green and yellow and enlarged in the insets). The images in the right column are the corresponding Fractional anisotropy (FA) maps.