Table 1 . Locomotion permutation test and pairwise comparisons performed on the Phylogenetic Quotient (PEQ) and brain regions in Sciuroidea.
From: The impact of locomotion on the brain evolution of squirrels and close relatives
PEQ | Petrosal lobules | |||||
---|---|---|---|---|---|---|
Permutation test | χ² = 17.166, df = 4, p < 0.002 | χ² = 17.39, df = 4, p < 0.002 | ||||
Pairwise comparisons | Stat | p.value | p.adjust | Stat | p.value | p.adjust |
Arboreal - Fossorial | 3.143 | 0.002 | 0.017 | 3.163 | 0.002 | 0.016 |
Arboreal - Glider | 0.746 | 0.456 | 0.506 | 2.603 | 0.009 | 0.042 |
Arboreal - Scansorial | 2.319 | 0.020 | 0.051 | 1.873 | 0.061 | 0.100 |
Arboreal - Terrestrial | 2.065 | 0.039 | 0.078 | 1.935 | 0.053 | 0.100 |
Fossorial - Glider | -2.721 | 0.007 | 0.033 | -1.812 | 0.070 | 0.100 |
Fossorial - Scansorial | -2.414 | 0.016 | 0.051 | -2.498 | 0.012 | 0.042 |
Fossorial - Terrestrial | -1.987 | 0.047 | 0.078 | -1.953 | 0.051 | 0.100 |
Glider - Scansorial | 1.650 | 0.099 | 0.141 | -1.474 | 0.141 | 0.176 |
Glider - Terrestrial | 1.459 | 0.145 | 0.181 | -0.836 | 0.403 | 0.448 |
Scansorial - Terrestrial | 0.106 | 0.916 | 0.916 | 0.457 | 0.647 | 0.647 |
Neocortex | Olfactory bulbs | |||||
---|---|---|---|---|---|---|
Permutation test | χ² = 19.879, df = 4, p < 0.001 | χ² = 11.424, df = 4, p < 0.022 | ||||
Pairwise comparisons | Stat | p.value | p.adjust | Stat | p.value | p.adjust |
Arboreal - Fossorial | 3.569 | 0.000 | 0.003 | -2.416 | 0.016 | 0.112 |
Arboreal - Glider | -0.519 | 0.604 | 0.671 | 0.479 | 0.632 | 0.632 |
Arboreal - Scansorial | 2.045 | 0.041 | 0.101 | -2.014 | 0.044 | 0.112 |
Arboreal - Terrestrial | 0.081 | 0.935 | 0.935 | -1.296 | 0.195 | 0.278 |
Fossorial - Glider | -3.441 | 0.001 | 0.003 | 2.284 | 0.022 | 0.112 |
Fossorial - Scansorial | -1.217 | 0.223 | 0.319 | 0.773 | 0.439 | 0.488 |
Fossorial - Terrestrial | -3.242 | 0.001 | 0.004 | 1.403 | 0.161 | 0.268 |
Glider - Scansorial | 1.956 | 0.050 | 0.101 | -2.007 | 0.045 | 0.112 |
Glider - Terrestrial | 1.014 | 0.311 | 0.389 | -1.490 | 0.136 | 0.268 |
Scansorial - Terrestrial | -1.678 | 0.093 | 0.156 | 0.822 | 0.411 | 0.488 |