FIGURE 1.

Model geometry and segmentation masks. The ultra-high-resolution multimodal imaging-based detailed anatomical (MIDA) model was fused with neck and shoulder sections from a model derived from the Visible Human Project. See section “Materials and Methods” for additional information (A) The full extent of the geometry considered. (B) Scalp mask with the electrodes used for the finite element model. Each electrode (silver) is interfaced with tissue via conductive gel (light blue). Note some electrodes/gel are not visible because of the view chosen and the need to obscure the eye region. (C) Additional masks shown include gray matter, white matter including the brain stem and spinal cord, mucosa, and cranial nerves. (D) The masks in the nose region are made semi-transparent to show the olfactory epithelium and the olfactory bulb. The olfactory epithelium mask includes the olfactory mucosa mask. (E) The dashed section in (D) is expanded to highlight segmentation detail. Note that items (B–E) were plotted to the same perspective.