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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: Neuroimage. 2009 Sep 28;49(3):2479. doi: 10.1016/j.neuroimage.2009.09.027

Fig. 10.

Fig. 10

Cumulative distribution function (CDF) of the normalized area distortion of triangles forming the tessellated cortical surface after registration with the 3 methods. Results are averaged over all brains comprising Group 1. Normalized area distortion at a cortical location is defined as the area of the corresponding triangle on the target surface, divided by the area of the subject surface mapped into the same triangle. The value of the CDF at 0.25 represents the percentage of triangles that become at least 4 times smaller after registration. Similarly, 1 - CDF at 4 represents the percentage of triangles that become at least 4 times larger after registration.