MAPT and Cognitive impairment: Moreover, CSF p‐tau correlates with cognitive impairment better than Aβ‐related biomarkers (Gómez‐Isla et al, 1997; Blennow et al, 2010; Nelson et al, 2012; Roe et al, 2013; Jack et al, 2018; Aschenbrenner et al, 2018).