Table 2.
Main and interaction effects of amyloid and CBF on post-interference recall.
| Hippocampal CBF |
Posterior Cingulate CBF |
Precuneus CBF |
Postcentral CBF |
||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Block | Variable | Block F | Block ΔR2 | B (SE) | β | t | Block F | Block ΔR2 | B (SE) | β | t | Block F | Block ΔR2 | B (SE) | β | t | Block F | Block ΔR2 | B (SE) | β | t |
| 1 | Age | 2.25 | 0.11 | -0.04 (0.02) | -0.23 | -1.67 | 2.25 | 0.11 | -0.04 (0.02) | -0.23 | -1.67 | 2.25 | 0.11 | -0.04 (0.02) | -0.23 | -1.67 | 2.25 | 0.11 | -0.04 (0.02) | -0.23 | -1.67 |
| Education | 0.06 (0.05) | 0.17 | 1.21 | 0.06 (0.05) | 0.17 | 1.21 | 0.06 (0.05) | 0.17 | 1.21 | 0.06 (0.05) | 0.17 | 1.21 | |||||||||
| Sex | 0.09 (0.27) | 0.05 | 0.35 | 0.09 (0.27) | 0.05 | 0.35 | 0.09 (0.27) | 0.05 | 0.35 | 0.09 (0.27) | 0.05 | 0.35 | |||||||||
| 2 | Aβ (+ versus -) | 2.12 | 0.06 | 0.04 (0.33) | 0.02 | 0.12 | 1.68 | 0.03 | 0.09 (0.34) | 0.04 | 0.25 | 1.86 | 0.04 | 0.007 (0.34) | 0.003 | 0.02 | 1.44 | 0.01 | 0.08 (0.34) | 0.04 | 0.23 |
| CBF | -0.03 (0.02) | -0.25 | -1.89 | -0.01 (0.01) | -0.17 | -1.26 | -0.02 (0.01) | -0.21 | -1.55 | -0.01 (0.02) | -0.11 | -0.73 | |||||||||
| 3 | Aβ × CBF | 3.38 | 0.11 | -0.11 (0.04)∗∗ | -0.37 | -2.88 | 2.34 | 0.07 | -0.06∗ (0.03) | -0.31 | -2.25 | 3.46 | 0.13 | -0.08 (0.03)∗∗ | -0.42 | -3.16 | 1.80 | 0.05 | -0.06 (0.03) | -0.27 | -1.81 |
∗p < 0.05, ∗∗p ≤ 0.01, ∗∗∗p ≤ 0.001.
Dependent variable in all models is post-interference recall (i.e., Rey Auditory Verbal Learning Trial 5–Trial 6).
B, unstandardized coefficient estimate.
SE, standard error.