Figure 4: Illustration of the three-dimensional volume of interest for the corpus callosum. | Scientific Reports

Figure 4: Illustration of the three-dimensional volume of interest for the corpus callosum.

From: Sex-related difference in human white matter volumes studied: Inspection of the corpus callosum and other white matter by VBM

Figure 4

The ROI was made based on ICBM152 (mni_icbm152_t1) from the McConnell Brain Imaging Centre using ITK-SNAP software. We first distinguished white matter from other tissues by thresholding, then set “bubbles” on the center of the CC as the “seed points”, and expanded them after adjusting the region competition force and the curvature force parameters. The margin of the cingulate gyrus was used as a guide to set the end-point of the expansion (arrows).

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