Table 2.
Means and Standard Deviation for regional PiB retention
| Cycle 1 | Cycle 2 | Cycle 1 –Cycle 2 Difference | |||
|---|---|---|---|---|---|
|
| |||||
| Mean | SD | Mean | SD | p-Value | |
| Anterior Ventral Striatum | 1.41 | 0.49 | 1.59 | 0.60 | 0.00 |
| Anterior Cingulate Gyrus | 1.45 | 0.31 | 1.51 | 0.39 | 0.007 |
| Frontal Cortex | 1.39 | 0.31 | 1.43 | 0.40 | 0.067 |
| Lateral Temporal Cortex | 1.34 | 0.22 | 1.36 | 0.30 | 0.389 |
| Precuneus Cortex | 1.35 | 0.29 | 1.45 | 0.38 | 0.000 |
| Parietal Cortex | 1.31 | 0.23 | 1.37 | 0.32 | 0.002 |
| Global | 1.37 | 0.29 | 1.45 | 0.38 | 0.000 |
Note. See Cohen et al., 2013 for information about cutoffs. Global is the average of the 6 separate regions of interest volumes.