Table 4.
Parameters for curve-fitting of neuron density and neurons per unit column.
| Species | Measurement | N | a | b | c | d | θ | R2 |
|---|---|---|---|---|---|---|---|---|
| Otolemur g. | Neurons per column | 35 | 5.41 × 104 | 12.5 | −0.476 | 0.989 | 8.6° | 0.81 |
| Neuron density | 35 | 3.33 × 104 | 12.7 | −0.613 | 0.989 | 8.4° | 0.92 | |
| Papio c. a. | Neurons per column | 141 | 3.16 × 104 | 12.0 | 0.118 | −0.858 | −30.9° | 0.68 |
| Neuron density | 141 | 1.98 × 104 | 11.1 | 0.225 | −0.854 | −31.3° | 0.81 | |
| Macaca m. | Neuron density | 41 | 2.21 × 104 | 11.6 | 0.155 | −0.839 | −32.9° | 0.81 |
N is the number of points in each data set. R2 is the coefficient of determination for each fit.