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Left hemisphere centroid analysis derived from the normalized histograms of all the subjects’ k1 (on left) and k2 (on right) curvatures. The negative and positive halves of each principle curve are considered separately on the left and right halves of each plot. Each point in the plot corresponds to a specific subject, labeled as shown. The neonates are represented by the circles, the children by the squares, and the adults by the triangles.
