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. Author manuscript; available in PMC: 2014 Jul 21.
Published in final edited form as: Phys Med Biol. 2013 Jun 21;58(14):4881–4896. doi: 10.1088/0031-9155/58/14/4881

Table 4.

The RDM (equation 9) and MAG (equation 10) values calculated over the cortical surface between the altered models and the standard model. The calculations are repeated for stimulation over 4 different brain areas (left hemispheric M1, right hemispheric M1, left hemispheric inferior frontal gyrus (IFG) and left hemispheric visual cortex (OC)). For the left hemispheric M1, 2 coil orientations are presented.

RDM and MAG value
Alteration Left M1 Right M1 Left IFG Left OC

Optimal orientation +90 deg Optimal orientation Optimal orientation Optimal orientation

RDM MAG RDM MAG RDM MAG RDM MAG RDM MAG
1.5 mm erosion 0.22 1.11 0.20 1.09 0.21 1.10 0.20 1.09 0.19 1.09
1.0 mm erosion 0.14 1.06 0.13 1.05 0.13 1.06 0.13 1.05 0.12 1.05
0.5 mm erosion 0.08 1.03 0.07 1.02 0.07 1.03 0.07 1.02 0.07 1.02
0.5 mm expansion 0.08 0.99 0.08 0.99 0.07 0.98 0.07 0.99 0.07 0.98
1.0 mm expansion 0.11 0.97 0.10 0.97 0.10 0.97 0.10 0.97 0.10 0.97
1.5 mm expansion 0.10 0.96 0.10 0.96 0.09 0.96 0.09 0.97 0.09 0.96