Table 1.
Zone type | −0.3 s | −0.2 s | −0.1 s | 0.0 s | 0.1 s |
---|---|---|---|---|---|
Area ratio of zones compared to the whole brain | |||||
AD faster | 0.333% | 3.78% | 7.35% | 42.0% | 11.0% |
AD slower | 0.522% | 1.22% | 6.38% | 2.28% | 9.64% |
AD reversed | 1.93% | 5.30% | 11.4% | 7.38% | 8.24% |
Area ratio of zones intersecting with AβROI | |||||
AD faster | 0.127% | 3.29% | 5.06% | 47.6% | 9.82% |
AD slower | 0.063% | 1.58% | 4.69% | 2.72% | 11.1% |
AD reversed | 0.697% | 6.90% | 22.4% | 12.4% | 4.88% |
Time points are relative to the cardiovascular pulse arrival into the brain. For time points −0.5 s, −0.4 s, 0.2 s, and 0.3 s the area ratio is under 1% for all zones. AβROI = PET findings of increased amyloid-β accumulation in early Alzheimer's disease.