From: Primate brain architecture and selection in relation to sex
 | Telencephalon components (dependent variables) | |||||
---|---|---|---|---|---|---|
Independent variables included in the best modeL | Septum | Striatum | Amygdala | Schizocortex | Hippocampus | Neocortex |
Total brain volume minus the dependent component | b = 0.838 | b = 0.947 | b = 0.581 | b = 0.856 | b = 0.812 | b = 1.405 |
 | t = 19.986 | t = 18.384 | t = 8.978 | t = 13.085 | T = 12.946 | t = 21.420 |
 | p << 0.001 | p << 0.001 | p << 0.001 | p << 0.001 | p << 0.001 | p << 0.001 |
Sexual dimorphism | b = -0.212 | b = -0.373 | b = 0.363 | b = -0.542 | -- | -- |
 | t = -2.892 | t = -4.258 | t = 3.308 | t = -4.731 |  |  |
 | p = 0.010 | p < 0.001 | p = 0.004 | p < 0.001 |  |  |
Female group size | -- | -- | -- | -- | b = -0.117 | b = 1.136 |
 |  |  |  |  | T = -2.268 | t = 3.398 |
 |  |  |  |  | p = 0.036 | p = 0.003 |
Male group size | b = -0.071 | -- | -- | b = -0.188 | -- | b = -0.058 |
 | t = -3.053 |  |  | t = -5.191 |  | t = -1.984 |
 | p = 0.007 |  |  | p << 0.001 |  | p = 0.064 |
Whole model | F(3,17) = 158.25 | F(2,18) = 182.92 | F(2,18) = 77.256 | F(3,17) = 67.947 | F(2,18) = 84.643 | F(3,17) = 409.79 |
 | R2 = 0.965 | R2 = 0.953 | R2 = 0.896 | R2 = 0.923 | R2 = 0.4907 | R2 = 0.986 |
 | p << 0.001 | p << 0.001 | p << 0.001 | p << 0.001 | p << 0.001 | p << 0.001 |