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. 2012 May 18;2(2):203–224. doi: 10.3390/brainsci2020203

Table 2.

Loadings of the brain structures for the five first principal components of PPCA for each taxon of the Figure 2 to Figure 7. Scores higher than 0.5 are highlighted in grey.

PC 1 PC 2 PC 3 PC 4 PC 5 PC 1 PC 2 PC 3 PC 4 PC 5
Insectivores 61.550 11.472 10.156 8.995 3.957 % Variance 82.921 11.539 3.039 1.098 0.744 Carnivores
−0.505 0.714 −0.380 −0.173 0.247 Medulla −0.869 −0.040 −0.185 0.059 0.436
−0.434 −0.177 −0.387 0.790 −0.022 Cerebellum −0.510 0.859 0.018 0.001 −0.028
−0.118 0.456 0.268 −0.314 −0.615 Mesencephalon −0.870 −0.246 −0.168 0.293 −0.032
−0.290 0.084 0.210 −0.340 −0.600 Diencephalon −0.702 −0.534 −0.009 0.410 −0.018
0.031 −0.022 0.190 0.180 −0.058 Striatum −0.551 −0.411 0.652 0.080 −0.262
0.211 0.447 0.169 −0.026 −0.073 Septum −0.752 −0.212 −0.258 0.155 −0.083
0.961 −0.174 −0.027 −0.105 0.170 Paleocortex −0.647 −0.344 0.449 −0.458 0.110
0.107 0.210 0.880 0.331 0.213 Hippocampus −0.561 −0.312 −0.712 −0.201 −0.193
−0.077 −0.238 0.083 −0.089 −0.414 Schizocortex −0.490 −0.616 0.233 −0.240 0.057
−0.908 −0.354 0.012 −0.200 0.089 Neocortex 0.999 0.037 −0.005 0.003 0.002
0.922 −0.151 −0.280 −0.080 −0.103 Olfactory bulb
PC 1 PC 2 PC 3 PC 4 PC 5 PC 1 PC 2 PC 3 PC 4 PC 5
Prosimians 82.668 11.193 2.656 1.501 1.091 % Variance 84.421 10.966 2.323 1.036 0.544 Simians
−0.933 −0.122 −0.023 −0.029 −0.093 Medulla −0.845 −0.315 0.235 −0.085 0.163
−0.167 −0.908 0.379 −0.011 −0.034 Cerebellum −0.285 0.958 0.023 0.006 0.028
−0.801 0.112 −0.094 0.526 −0.211 Mesencephalon −0.758 −0.422 0.336 0.246 −0.175
−0.143 −0.408 −0.755 −0.098 −0.380 Diencephalon −0.867 −0.348 −0.113 0.211 0.234
0.367 0.273 −0.133 −0.779 −0.316 Striatum −0.529 −0.073 −0.829 0.030 −0.132
−0.890 0.314 −0.066 0.010 0.087 Septum −0.617 −0.366 0.247 0.062 −0.096
−0.621 0.755 0.197 −0.022 0.009 Paleocortex −0.763 −0.259 0.330 0.275 −0.286
−0.837 −0.258 −0.376 0.007 0.277 Hippocampus −0.769 −0.369 −0.032 −0.493 0.051
−0.370 −0.449 −0.103 −0.032 0.741 Schizocortex −0.689 −0.168 0.365 −0.332 −0.252
0.999 0.032 0.003 0.019 0.006 Neocortex 1.000 −0.011 −0.002 0.003 0.009
−0.718 0.601 0.288 0.006 0.091 Olfactory bulb −0.491 −0.111 0.253 −0.100 −0.305
PC 1 PC 2 PC 3 PC 4 PC 5 PC 1 PC 2 PC 3 PC 4 PC 5
Pteropodidae 63.620 15.838 9.076 5.546 2.789 % Variance 35.384 25.968 18.225 13.012 2.668 Vespertilionidae
0.769 −0.254 0.205 0.044 0.438 Medulla −0.802 −0.003 −0.290 −0.444 −0.227
0.412 −0.795 0.360 0.105 −0.238 Cerebellum 0.130 0.968 −0.146 0.151 −0.010
0.597 −0.136 −0.084 0.523 0.390 Mesencephalon −0.703 0.078 0.274 −0.514 0.273
−0.077 0.269 0.347 0.527 0.510 Diencephalon −0.542 −0.425 0.008 −0.293 −0.108
−0.592 0.177 0.265 −0.563 −0.065 Striatum −0.109 −0.117 0.503 0.104 0.619
0.407 −0.080 −0.006 −0.234 0.323 Septum −0.286 −0.530 −0.321 0.382 0.129
0.375 0.417 0.370 −0.682 0.047 Paleocortex −0.411 −0.395 0.350 0.705 −0.055
0.757 −0.042 −0.637 −0.055 −0.083 Hippocampus 0.624 −0.364 −0.684 0.007 0.030
0.401 −0.284 −0.671 −0.160 −0.086 Schizocortex 0.458 −0.338 −0.281 −0.023 0.286
−0.994 −0.063 −0.081 0.018 −0.016 Neocortex 0.805 −0.020 0.520 −0.260 −0.112
0.177 0.879 0.164 0.310 −0.266 Olfactory bulb −0.290 −0.266 0.135 0.752 −0.273