Table 3.
Comparison of simulation based BS optimization with literature. (a) Results of the simulation-based optimization in this study and (b) previous optimization using data from multiple EPI acquisitions (Weiskopf et al., 2006). As a measure of generalizability, the standard deviation for the BS-gain across subjects is listed.
| Region of interest |
Z-shim [mT/m*s] |
Tilt [deg] |
PE polarity |
BS-gain [%] |
||||
|---|---|---|---|---|---|---|---|---|
| Study | a) | b) | a) | b) | a) | b) | a) | b) |
| mOFC + rACC | −1 | −1.4 | −45 | −45 | Neg | Neg | 20 ± 10 | 19 |
| Inferior temporal lobes | 0 | −0.4 | 30 | 30 | Neg | Neg | 11 ± 4 | 4 |
| Temporal poles | 1 | 0.6 | 45 | 30 | Neg | Neg | 25 ± 10 | 18 |
| Amygdala | 1 | 0.6 | −45 | −45 | Pos | Pos | 23 ± 12 | 13 |
| Hippocampus + Parahippocampus | 1 | 0.6 | 45 | −45 | Neg | Pos | 18 ± 6 | 11 |