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Type 2 AD (variant phenotypes of EOAD) vs. Typical amnestic AD (aEOAD and aLOAD). Significantly modified and adapted from Van der Flier et al, 2011{van der Flier, 2011 #5}. The non-amnestic variant phenotypes (logopenic variant primary progressive aphasia, posterior cortical atrophy, and other proposed variants) tend to occur in the early-onset age range and are depicted as colored lines.
