Critically, Mary makes the crossing back to the human, not through reintroducing the minded subject but by reminding her audience that the gene TDP-43 is associated with frontal-temporal lobe dementia (FTD) in humans, that humans identified as having frontal–temporal lobe dementia have been shown to express TDP-43 (see also Ling et al.2015). Here, TARDBP is linked to frontotemporal dementia.