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. 2019 May 8;39(19):3627–3639. doi: 10.1523/JNEUROSCI.2060-18.2019

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Copyright © 2019 Lopez-Persem 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 2. — vmPFC anatomical patterns. A, Examples of the three common types of sulcal patterns in the vmPFC. The patterns depend on how the SU-ROS merges with other sulci (white circles) and the absence (first row) or presence (second row) of a PCGS. In type 1, the SU-ROS merges with either the CGS (1a) or the PCGS (1b). In type 2, the SU-ROS merges with one or more polar/supraorbital sulci but not with the CGS (2a) or the PCGS (2d). In type 3, the SU-ROS merges with both polar/supraorbital sulcus and CGS (3a1) or PCGS (3b1). B, In the rare type 4, the SU-ROS merges with both CGS and PCGS, without a merging (4a) or with (4b) a merging with a polar/supraorbital sulcus. n indicates the number of hemispheres exhibiting each pattern. C, D, Percentage of left (black) and right (white) hemispheres displaying each pattern and subtype of patterns. 1a, only CGS (left, 5.3%; right, 28.1%); 1b, only PCGS (left, 5.3%; right, 0%); 2a, only SOS (left, 3.5%; right, 5.3%); 2b, only ASOS (left, 3.5%; right, 0%); 2c, only PMS (left, 0%; right, 5.3%); 2d, two polar/supraorbital sulci (left, 12.3%; right, 5.3%); 3a, with CGS and with SOS (3a1: left, 26.3%; right, 29.8%), or ASOS (3a2: left, 1.8%; right, 0%), or PMS (3a3: left, 0%; right, 1.8%), or with two polar/supraorbital sulci (3a4: left, 3.5%; right, 1.8%); 3b, with PCGS and with SOS (3b1: left, 26.3%; right, 14.0%), or ASOS (3b2: left, 7.0%; right, 7.0%), or PMS (3b3: left, 1.8%; right, 0%), or two polar/supraorbital sulci (3b4: left, 0%; right, 0%); 4a, CGS and PCGS (left, 1.8%; right, 0%); and 4b, CGS, PCGS, and polar/supraorbital sulcus (left, 1.8%; right, 1.8%).