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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Arch Phys Med Rehabil. 2014 Nov 22;96(0):S114–S121. doi: 10.1016/j.apmr.2014.11.004

Figure 2.

Figure 2

Electric field (normal component) generated by the montage (+C3, −AF8) using Pi electrodes (3.14 cm2 Ag/AgCl electrodes). Positive/negative values indicate anodal/cathodal stimulation (normal component of the electric field pointing inward/outward at the cortical surface).