In dementia with Lewy bodies, a positive Aβ or p-tau biomarker was not associated with WMHs in separate models for Aβ or p-tau, respectively (χ2(3, N = 84) = 3.966, P = 0.265 and χ2(3, N = 84) = 3.964, P = 0.265). The gene discussed is MAPT; the disease is Lewy body dementia.