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. 2023 Jun 28;17:1087026. doi: 10.3389/fnhum.2023.1087026

FIGURE 1.

FIGURE 1

(A) Modified cytoarchitectonic map of Brodmann (1909), including BA 43 (blue highlighted). Details of the cortex within the sulci or areas ventrally to areas 44, 45, and 47 were not shown by Brodmann. Area 43 (highlighted in blue) is located slightly posterior to the referred area. (B) Coronal section of the BigBrain (Amunts et al., 2013). The blue arrow points to the macroanatomic location of lefthemispheric FOp. POp, parietal operculum. (C) Sagittal section of the BigBrain with annotations of the FOp and the insula. (D) Modified cytoarchitectonic mapping of von Economo and Koskinas (1925) with highlighted areas FDop, FCDop, FBop, and PFD, localized at the ventral end of the frontal lobe. (E) Axial section of the BigBrain with annotations of the FOp and the insula. (F) View of the left surface of the BigBrain. The blue arrows show that the FOp is also found below the brain surface. POp, parietal operculum; Ptri, triangular part of the inferior frontal gyrus; SF, Silvian fissure. Physical coordinates (cursor) for panels (B,C,E,F): –38.637 mm/22.526 mm/0.444 mm (https://atlases.ebrains.eu/viewer).