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. Author manuscript; available in PMC: 2010 Jan 18.
Published in final edited form as: Inf Process Med Imaging. 2009;21:151–162. doi: 10.1007/978-3-642-02498-6_13

Fig. 6.

Fig. 6

Comparison of tissue volume vs. age in subjects and regression atlases. Left to right: CSF, gray matter, white matter. All tissue volumes are relative to the ICV to account for head size differences. Measurements for first-order and second-order regression atlases are connected by line segments. There are no regression lines in these figures, i.e., the lines representing the regression atlases are measurements in their own right and not fits of the subject measurements.