APOE and Alzheimer disease: Among the AD vulnerable regions showing the interaction of years of education by effect modifier, left fusiform gyrus cortical volume showed a significant interaction with Aβ deposition on CERAD-K WLRc score after adjusting for age, sex, years of education, total intracranial volume, and APOE ε4 carrier status (standardized β = 0.583, p = 0.021).