ATR and autism: The ATR has been linked to aspects of attention and executive function [Andreasen et al., 1996; Schmahmann and Pandya, 2008; Van der Werf et al., 2003] as well as the pathogenesis of autism [Cheon et al., 2011]; while the fornix has recently been identified as a key locus of damage in bvFTD [Hornberger et al., 2012].