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. 2020 Mar 4;40(10):2094–2107. doi: 10.1523/JNEUROSCI.1650-18.2019

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Copyright © 2020 Barrett et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License Creative Commons Attribution 4.0 International, which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.

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Figure 3. — MRI methods for comparing cortical and white matter volumes across species. Images show the rescaled anatomy of representative cases, and graphs display proportional and absolute volumes. Data points represent individual cases, dashes represent species means. H, Humans (n = 20); V, vervets (n = 4); M, macaques (n = 5). A, Voxel-based measures of frontal cortex volume. B, Voxel-based measures of frontal white matter volume. C, Tractography-based measures of frontal tracts volume. D, Tractography-based measures of anterior commissure (AC) volume. *p < 0.05, **p < 0.01, and ***p < 0.001 when comparing humans with either vervets or macaques. For full statistical results, see Results and Table 3.