Mutations in the tau gene MAPT, located on chromosome 17, are linked to several tauopathies, including progressive supranuclear palsy (PSP), corticobasal degeneration (CBD), Pick disease (PiD), and frontotemporal dementia (FTD) (Congdon et al., 2023). The gene discussed is MAPT; the disease is Classical progressive supranuclear palsy.