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. Author manuscript; available in PMC: 2017 Apr 24.
Published in final edited form as: Eur Psychiatry. 2016 Jun 16;36:55–64. doi: 10.1016/j.eurpsy.2016.03.003

Figure 2.

Figure 2

Simulation models of BL, BF, RUL, FEAST, and FM ECT as well as CIRC MST (top row). Stimulation strength (E-field magnitude relative to neural activation threshold, E/Eth) on the cortical surface at current of 800 mA for BL, BF, and RUL ECT, 612 mA for FEAST, 500 mA for FM ECT, and 100% of maximum amplitude (MA) for Magstim Theta with CIRC MST coil configuration (second row), as well as in representative coronal and axial slices (third and bottom rows, respectively). The threshold Eth is 0.25 V/cm for ECT (ultrabrief 0.3 ms pulse width) and 0.64 V/cm for MST. For ECT with brief pulse width (1 ms), stimulation strength should be multiplied by 1.17 [17]. The color map is clamped at an upper limit of 3 for good visibility of the spatial distribution. R: right.