The microtubule-associated protein tau (MAPT; tau) is involved in the pathogenesis of several different forms of dementia, including Alzheimer’s disease (AD), progressive supranuclear palsy, Pick’s disease, corticobasal degeneration, and frontotemporal dementia (FTD) (Lee et al., 2001, Spillantini and Goedert, 2013). The gene discussed is MAPT; the disease is Classical progressive supranuclear palsy.