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Mean signal intensity and percent signal variation are calculated near DBS and elsewhere. IF excitation was able to increase the mean signal intensity and decrease the percent signal variation around the lead compared to the Quadrature excitation.
| Mean Signal Intensity (Near DBS) |
Mean Signal Intensity (Elsewhere) |
Percent Signal Variation (Near DBS) |
Percent Signal Variation (Elsewhere) |
|
|---|---|---|---|---|
| Implant Friendly | 1180 | 564 | %45 | %27 |
| Quadrature | 592 | 587 | %67 | %16 |
