Fig 1.
Diagram of occipital landmarks and occipital components in sagittal profile.
1. Lambda, 2. Suprainion, 3. Inion, 4. Intersection of the inferior nuchal line and external occipital crest, 5. Opisthion, 6, 7. Left and right occipital postcondylar point, 8. Basion, 9. Hormion, 10, 11. Left and right asterion, a. Occipital plane, b. Nuchal plane, c. Occipital clivus.
Table 1.
Sample composition.
Table 2.
Procrustes MANCOVA with sex, population and centroid size.
Fig 2.
European male and female average occipital shape superimposition.
Table 3.
Pairwise population comparisons within sexes.
Fig 3.
Pairwise population comparisons of average occipital shape.
Fig 4.
Scatterplot of the first two principal components.
Fig 5.
Shape change along PC1 and PC2.
Fig 6.
Plot of centroid size in different sexes and ancestries.
Fig 7.
Multivariate regression with Procrustes coordinates and centroid size.
Fig 8.
Occipital shape from minimum (cyan) to maximum (pink) size.
a, superior view, b, lateral view.