Models were constructed from 222 cranial CT scans of U.S. Whites from the Bass Donated Collection. These models were used to create a statistical bone atlas that captures the primary shape variation in the skull and facilitates rapid computer-automated analyses. The bone atlas showed that important size-related sex variables are bizygomatic breadth, maximum cranial length, cranial base length, and mastoid height. Shape-related variables capture sex differences in the projection of the glabellar region, inclination of the frontal, and cranial base flexion. In addition, vault thickness is highly dimorphic, with females having on average thicker vaults in the frontal region, and males having thicker vaults in the occipital region. Cross-validated linear discriminant analysis obtained greater than 95 percent accuracy 97.5 percent with 11 variables and 95.5 percent with 8 variables. Abstract published by arrangement with John Wiley & Sons.
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