- aSchedule for each subject
- bThe Florbetaben-PET can be postponed to the post-cognitive-training phase or the follow-up phase
- Abbreviations: MRIÂ Â magnetic resonance imaging, fMRI functional magnetic resonance imaging, PETÂ positron-emission tomography, ApoE4Â Â apolipoprotein E4, CETP Cholesteryl Ester Transfer Protein, SNPÂ Â single nucleotide polymorphism, BDNF brain-derived neurotrophic factor