A. The putative connectivity between inferior frontal gyrus (pars opercularis; IFGOp, and pars triangularis; IFGTr) and pre-supplementary and supplementary motor area (pre-SMA and SMA) in the medial superior frontal gyrus (SFG), supported by the frontal aslant tract (FAT). Figure modified from Dick, A. S., Bernal, B., & Tremblay, P. (2014). The language connectome: new pathways, new concepts. Neuroscientist, 20(5), 453-467. B. A sample subject showing four subcomponents of the FAT.