Table 1. A summary of cross sectional studies using amyloid/tau PET scans.

APOE: apolipoprotein E, BMI: body mass index, CN: cognitively normal, FDDNP: 2-(1-{6-[(2-[fluorine-18]fluoroethyl)(methyl)amino]-2-naphthyl}-ethylidene)malononitrile, MCI: mild cognitive impairment, NC: normal controls without cognitive complaint, PET: positron emission tomography, PIB: Pittsburgh compound B, SCD: subjective cognitive decline, SMC: subjective memory complaints, SMI: subjective memory impairment.