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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: J Neural Eng. 2018 Jun 1;15(3):036022. doi: 10.1088/1741-2552/aaa505

Figure 4.

Figure 4

LFMS cap coil designs. From left to right: spherical harmonics representation of the standard LFMS coil simulation, unconstrained cap coil design, and constrained cap coil design. Top and middle rows: distributions of E-field absolute and relative errors compared to the simulation on the cortical surface of the spherical model. Bottom row: stream function and coil windings for the two coil designs. Color scale for each row is shown to the right; note logarithmic scale in top and middle rows, and asymmetric scale in bottom row, covering only the range of stream function values on the shown right hemisphere.