Table 3.
Brain structure | Loadings on PC1 |
Olfactory bulbs | 0.86 |
Telencephalon | 0.94 |
Optic tecta | 0.96 |
Cerebellum | 0.98 |
Medulla | 0.88 |
Hypothalamus | 0.98 |
Loadings of the individual structures on the first principal component of a phylogenetic principal components analysis. These loadings indicate to what extent variance in brain size explains variance in structure volume.