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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: J Neural Eng. 2017 Jan 9;14(1):016016. doi: 10.1088/1741-2552/aa5238

Figure 4.

Figure 4

Dependence of the (A) ipsilateral and (B) contralateral mean BOLD contrast on the nominal stimulation angle. Maximal BOLD contrast was observed for the orientation of 0° between the electric field and CC fibers, while reduced activation was detected upon re-orientation of the electric field anti-parallel (180°) to the axonal tracks; (C) Activation percentages for simulated axons placed radially below the tripolar electrode using a stimulation current of 1.2 mA. See Fig. 2 for the detailed description of the axon placement. SDs are indicated in green (n = 12).