Table 1.
Post-adolescent changes in cortical complexity
| Comparison between adolescence and adulthood cortical complexity for each gender separately using two different methods | ||||||
|---|---|---|---|---|---|---|
| Box-counting method | Minkowski-Bouligand method | |||||
| Region | girls n = 11 mean ± sd | women n = 7 mean ± sd | girls > women Mann Whitney Test (p; U) | girls n = 11 mean ± sd | women n = 7 mean ± sd | girls > women Mann Whitney Test (p; U) |
| Frontal LH | 2.460 ± 0.019 | 2.439 ± 0.016 | p = 0.013; U = 11 | 2.561 ± 0.014 | 2.537 ± 0.020 | p = 0.013; U = 11 |
| Parietal LH | 2.421 ± 0.019 | 2.384 ± 0.017 | p = 0.002; U = 4 | 2.530 ± 0.011 | 2.499 ± 0.019 | p = 0.002; U = 4 |
| Temporal LH | 2.405 ± 0.023 | 2.395 ± 0.017 | p = 0.189; U = 24 | 2.525 ± 0.015 | 2.514 ± 0.014 | p = 0.094; U = 20 |
| Occipital LH | 2.340 ± 0.023 | 2.322 ± 0.020 | p = 0.221; U = 25 | 2.459 ± 0.021 | 2.443 ± 0.016 | p = 0.052; U = 17 |
| Frontal RH | 2.460 ± 0.012 | 2.427 ± 0.025 | p = 0.013; U = 11 | 2.565 ± 0.013 | 2.539 ± 0.020 | p = 0.01; U = 10 |
| Parietal RH | 2.419 ± 0.018 | 2.371 ± 0.036 | p = 0.016; U = 12 | 2.540 ± 0.013 | 2.498 ± 0.025 | p = 0.002; U = 5 |
| Temporal RH | 2.398 ± 0.013 | 2.381 ± 0.022 | p = 0.077; U = 19 | 2.529 ± 0.011 | 2.516 ± 0.016 | p = 0.063; U = 18 |
| Occipital RH | 2.320 ± 0.027 | 2.317 ± 0.049 | p = 0.892; U = 37 | 2.464 ± 0.022 | 2.446 ± 0.034 | p = 0.298; U = 27 |
| LH | 2.506 ± 0.013 | 2.497 ± 0.016 | p = 0.298; U = 27 | 2.624 ± 0.013 | 2.600 ± 0.018 | p = 0.006; U = 8 |
| RH | 2.517 ± 0.014 | 2.489 ± 0.016 | p = 0.004; U = 7 | 2.627 ± 0.011 | 2.600 ± 0.019 | p = 0.006; U = 8 |
| WB | 2.540 ± 0.017 | 2.513 ± 0.022 | p = 0.016; U = 12 | 2.664 ± 0.012 | 2.637 ± 0.019 | p = 0.003; U = 7 |
| Box-counting method | Minkowski-Bouligand method | |||||
| Region | boys n = 6 mean ± sd | men n = 7 mean ± sd | boys > men Mann Whitney Test (p; U) | boys n = 6 mean ± sd | men n = 7 mean ± sd | boys > men Mann Whitney Test (p; U) |
| Frontal LH | 2.450 ± 0.018 | 2.417 ± 0.018 | p = 0.004; U = 1 | 2.551 ± 0.012 | 2.522 ± 0.016 | p = 0.004; U = 1 |
| Parietal LH | 2.402 ± 0.024 | 2.356 ± 0.033 | p = 0.015; U = 4 | 2.517 ± 0.017 | 2.470 ± 0.026 | p = 0.007; U = 2 |
| Temporal LH | 2.413 ± 0.019 | 2.372 ± 0.037 | p = 0.032; U = 6 | 2.535 ± 0.009 | 2.490 ± 0.030 | p = 0.015; U = 4 |
| Occipital LH | 2.329 ± 0.011 | 2.317 ± 0.012 | p = 0.116; U = 10 | 2.450 ± 0.012 | 2.427 ± 0.018 | p = 0.015; U = 4 |
| Frontal RH | 2.449 ± 0.012 | 2.404 ± 0.026 | p = 0.010; U = 3 | 2.553 ± 0.010 | 2.520 ± 0.020 | p = 0.004; U = 1 |
| Parietal RH | 2.397 ± 0.024 | 2.367 ± 0.025 | p = 0.022; U = 5 | 2.514 ± 0.018 | 2.480 ± 0.024 | p = 0.015; U = 4 |
| Temporal RH | 2.389 ± 0.021 | 2.369 ± 0.024 | p = 0.116; U = 10 | 2.519 ± 0.018 | 2.496 ± 0.024 | p = 0.063; U = 8 |
| Occipital RH | 2.318 ± 0.037 | 2.317 ± 0.018 | p = 0.668; U = 18 | 2.446 ± 0.024 | 2.438 ± 0.015 | p = 0.568; U = 17 |
| LH | 2.504 ± 0.017 | 2.480 ± 0.023 | p = 0.063; U = 8 | 2.614 ± 0.010 | 2.580 ± 0.018 | p = 0.004; U = 1 |
| RH | 2.510 ± 0.014 | 2.482 ± 0.022 | p = 0.032; U = 6 | 2.613 ± 0.015 | 2.582 ± 0.018 | p = 0.032; U = 6 |
| WB | 2.541 ± 0.015 | 2.511 ± 0.017 | p = 0.015; U = 4 | 2.650 ± 0.012 | 2.618 ± 0.017 | p = 0.004; U = 1 |
Post-adolescence measurements: girls versus women; boys versus men, comparisons for fractal dimension computed using box-counting and Minkowski-Bouligand methods. The significant comparisons are written in bold, where LH = left hemisphere; RH = right hemisphere and WB = whole brain.