From: Brain structure evolution in a basal vertebrate clade: evidence from phylogenetic comparative analysis of cichlid fishes
Brain structure
PC 1
PC 2
PC 3
Olfactory bulbs
-0.376
0.350
0.847
Telencephalon
-0.399
-0.462
-0.086
Optic tecta
-0.382
-0.208
-0.104
Cerebellum
-0.287
-0.042
Medulla
-0.431
0.724
-0.513
Hypothalamus
-0.392
-0.123
-0.010